191. "Abstract Science?" Roald Hoffmann, American Scientist, 97, 450-453 (2009).

190. “Teaching and Learning Strategies That Work, Letter to the Editor,” Roald Hoffmann and Saundra Y. McGuire, Science, 325, 1203-1204 (Sept. 4, 2009).

189. “Review of ‘Stereochemistry Workbook, 191 Problems and Solutions,’" by K.-H. Hellwich and C.D. Siebert, Bellstein Journal of Organic Chemistry 2009, 5, No. 38.

188. “Cost Cuts Should Come From Research, Not Just Education,” by Roald Hoffmann, The Chronicle of Higher Education, Commentary, May 8, 2009.

187. Strained Hydrocarbons, Foreword, Roald Hoffmann, in H. Dodziuk, Ed., Strained Hydrocarbons, Wiley-VCH: Weinheim, 2009. “Honesty to the Singular Object.”

186.“The Squeeze Is On”, Roald Hoffmann, American Scientist 97, 108 (2009).

185. “The Chemistry is Right,” R. Hoffmann, preface to Liaisons à Histoires by Alain Sevin, Christine Dézarnaud Dandine, Piem, Ellipses, Paris 2008.

184. “The Tense Middle” in “This I Believe II”, ed. J. Allison, D. Gediman, Henry Holt, New York, 2008, pp. 112-114.

183. “Predicting Molecules – More Realism, Please**”, by R. Hoffmann, P. von Ragué Schleyer and H. F. Schaefer III, Angew. Chem. Int. Ed., 47, 7164-7167 (2008).

182. “Why Think Up New Molecules?”, Roald Hoffmann, American Scientist.

181. “Learning from Molecules in Distress,” R. Hoffmann and Henning Hopf, Angewandte Chemie, 47, 4474-4481 (2008).

180. “A Passion for Chemistry and Art,” Roald Hoffmann, L’Actualite Chimique Canadienne, 20-21 (March 2008).

179. “On My Mind: Roald Hoffmann on Filling in Atoms,” Seed Magazine , p.3 (Jan./Feb. 2008).

178. “For a Few Atoms More”, Roald Hoffmann, American Scientist 96(2), 104-106 (2008).

177. Foreword to Turning Points in Solid-State, Materials and Surface Science, K.D.M. Harris and P.P. Edwards, eds., Cambridge, Royal Society of Chemistry, v-vi (2008).

176. Concluding Comments to The Artificial and the Natural: An Evolving Polarity, B. Bensaude-Vincent and W.R. Newman, eds., Cambridge, MIT Press, 313-314 (2007).

175. Foreword to Dazzle Gradually by Lynn Margulis and Dorian Sagan, Chelsea Green, White River Junction, VT, p. xi-xiii (2007).

174. “Robert Winokur’s Houses”, Roald Hoffmann, New Ceramics 3, 12-16 (2007).

173. “Legally Sweet”, Roald Hoffmann, American Scientist 95(4), (2007).

172. “John Meurig Thomas”, R. Hoffmann, preface to Turning Points in Solid-State, Materials and Surface Chemistry, by Kenneth Harris and Peter P. Edwards, Royal Society of Chemistry, London (2007).

171. “La belleza della chimica”, Roald Hoffmann, trans. S. Coyaud, Il Sole 24 Ore, Milano, Domenica Supplement, 7 Jan. 2007, p. 33.

170. “Blow-up”, Roald Hoffmann, American Scientist 95(1), (2007).

169. “What Might Philosophy of Science Look Like If Chemists Built It?”, R. Hoffmann, Synthèse,155(3), 321-336 (2007).

168. “Mme. Lavoisier’s Nécessaire,” R.. Hoffmann, in Attachments by A.C. Dannenberg, Aava Books, Helsinki (2006).

167. “Elettroni sopra Petra”, R. Hoffmann, Atlantide, II(4), 9-10 (2006); reprinted as “Quei giovani: Il Premio Nobel Roald Hoffmann” in Cultura & Societa, 32-33 (12/23/2006).

168. “Mme. Lavoisier’s Nécessaire,” R.. Hoffmann, in Attachments by A.C. Dannenberg, Aava Books, Helsinki (2006).

166. “Making Sense of the Image in the Nanoworld”, Roald Hoffmann, in Blow-up: Images from the Nanoworld, seen by Lucia Covi, Damiani editore, Bologna, 2006.

165. "Remembering, Returning, Forgiving", Roald Hoffmann, International Herald Tribune, August 25, 2006.

164. "Cosi simili, cosi diverse 4. Ephedrine and Primo Levi", Roald Hoffmann, script from Sylvie Coyaud's radio show, August 27, 2006.

163. "Cosi simili, cosi diverse 3. Plain Vanilla", Roald Hoffmann, script from Sylvie Coyaud's radio show, August 20, 2006.

162. "Cosi simili, cosi diverse 2. Left foot in Right Shoe", Roald Hoffmann, script from Sylvie Coyaud's radio show, August 13, 2006.

161. "Cosi simili, cosi diverse 1. For a Few Atoms More: Testosterone and Doping", Roald Hoffmann, script from Sylvie Coyaud's radio show, August 6, 2006.

160. "The Metaphor, Unchained", R. Hoffmann, American Scientist 94(5), 406-7 (2006).

159. "Preface"to "Liasons Chimiques: Structure et Reactivité” by Alain Sevin and Christine Dézarnaud-Dandine, R. Hoffmann, v-vi, Dunod, Paris (2006).

158. "Love Between the Atoms: Eva Kwong", Roald Hoffmann, Sculpture, 25(3), 42-43 (2006).

157. "Foreword" to "Alfred Neubauer’s Bittere Nobelpreise", R. Hoffmann, Herstellung und Verlag: Books on Demand GmbH, 7-8, Norderstedt (2005).

156. "Old Gas, New Gas", Roald Hoffmann, American Scientist 94(4), 16-18 (2005).

155. "Roald Hoffmann", in Mariana Cook, Faces of Science, Norton, New York (2005).

154. "Materials: the Bridge Between Chemistry and Physics", preface to Computational Chemistry of Solid State Materials, R. Dronskowski, Wiley-VCH (2005).

> 153. "Storied Theory", Roald Hoffmann, American Scientist 93(4), 308-312 (2005).

152. "Science, Language and Poetry", R. Hoffmann, in Motivating Science: Science communication from a philosophical,educational and cultural perspective, ed. Nigel Sanitt, London: Pantaneto Press, 71-75 (2005).

151. "The Natural Philosopher Returns, Singing", R. Hoffmann, in Considering the Radiance, ed. D. Burak & R. Gilbert, New York: Norton & Co., 173 (2005).

150. "Science on the Café Scene", Roald Hoffmann, Bulletin of the American Academy of Arts & Sciences 58(2), 39 (2005).

149."Theoretical Chemistry", Roald Hoffmann, in Foundations of Chemistry, 6, 11 (2004).

148. "Shall We Change?", Roald Hoffmann, in NCECA Journal 25, The Alchemy of Art and Science, 84 Indianapolis: NCECA (2004).

147. “Instruction”, Roald Hoffmann, in Do It, ed. Hans Ulrich Obrist, New York: e-flux, 150-151 (2004).

146. "A Claim on the Development of the Frontier Orbital Explanation of Electrocyclic Reactions", Roald Hoffmann, Angew. Chem. Intl. Ed. 43, 6586-6590 (2004).

145. "Will We Stop at Nothing?", Roald Hoffmann, American Scientist 93, 18-21 (2004).

144. "Science and Crafts", Roald Hoffmann, in The Nature of Craft and the Penland Experience, ed. Jean McLaughlin, New York: Lark Books, 58-64 (2004).

143. "Meissen Chymistry", Roald Hoffmann, American Scientist 92, 312-315 (2004); reprinted in The Science and Technology File, 10, Japan (2004).

142. "Comment on ‘Suet Pudding, Spotted Dick’", Epoch 52(3), 349 (2004).

141. "Science to a Samba Beat", Roald Hoffmann, Nature 428, 21 (March 2004).

140. "The Story of O", R. Hoffmann, American Scientist 92, 23-26 (2004).

139. “In Praise of Synthetic Beauty,” Roald Hoffmann, in Diálogos Disciplinares: As ciências e as artes na viragem de milénio, ed. A. Pinheiro da Sousa and T. de A. Malafaia, Lisbon: IST Press (2003).

138. “La sconfitta del flogisto”, Carl Djerassi & Roald Hoffmann, Il Sole-24 Ore , 34 (Oct. 3, 2003).

137. "Thoughts on Aesthetics and Visualization In Chemistry", R. Hoffmann, Hyle 9(1), 7-10 (2003).

136. "Silicon", Roald Hoffmann, Chemical & Engineering News, 56 (Sept. 8, 2003).

135. "Comment on writing 'Why Buy That Theory?’", Roald Hoffmann, in "The Best American Science Writing 2003", Oliver Sacks, ed., Harper Collins, New York, 222-227 (2003).

134. "Preface" to "Une Introduction à la Structure Orbitalaire des Complexes des Metaux de Transition" by Yves Jean, Editions de l’Ecole Polytechnique, 3-4 (2003).

133. "Unsettling Knowledge: a Poetry/Science Trialogue", J. Monroe, A. Fulton & R. Hoffmann, Language and Learning Across the Disciplines 6(2), 154-180 (2003).

132. "Cats and Rats", Roald Hoffmann, American Scientist 91, 308-310 (2003).

131. "Why Buy That Theory?", Roald Hoffmann, American Scientist, 91, 9-11 (2003); Arts & Sciences Newsletter 24(2), 3-6 (2003); The Best American Science Writing 2003, Oliver Sacks, ed., Harper Collins, New York, 222-227 (2003); trans. into Portugese in Química: Boletim de Sociedade Portuguesa de Química, 89, April-June 2003, 63-65.

130. "An American Student of A. S. Davydov in 1960-61", R. Hoffmann; in Vospominania ob Aleksandere Sergeeviche Davydove, ed. V.M. Loktev, Institut Teóreticheskoi Fisiki im. N.N. Bogolyubova, Kiev, 265-6 (2002).

129. "Infinite Ideas", R. Hoffmann & S. Coyaud, Nature 416 (2002).

128. "Carbides", R. Hoffmann. American Scientist 90, 318-320 (2002).

127. "Avant-propos" to special issue on “La Chimie Nouvelle”, La Jaune et La Rouge, Paris, pp. 8-10 (Feb, 2002).

126. "On Poetry and the Language of Science", R. Hoffmann, Daedalus, 137-140 (Spring 2002); reprinted in Poiema, Kolkata, India (2004).

125. "Mme. Lavoisier", Roald Hoffmann, American Scientist 90, 22-24 (2002); reprinted in The Nucleus 80(10) 35-38 (2002).

124. "Oxygen", R. Hoffmann & C. Djerassi, J. Chem. Ed, 78(3), 283 (2001).

123. "Foreword" to Imaging a Career in Science: the Iconography of Antoine Laurent Lavoisier by Marco Beretta, Watson Publishing International, Canton, MA (2001).

122. "Hi O Silver", R. Hoffmann, American Scientist 89, 311-314 (2001).

121. "Coping with Fritz Haber’s Somber Literary Shadow", R. Hoffmann & P. Laszlo, Angew. Chem. 40(24), 4599-4604 (2001).

120. "Who Put Wisdom in the Hidden Parts?" Roald Hoffmann, The Bookpress, Vol. 11, No. 3, p. 7 (April 2001).

119. "Why History of Chemistry?” " R. Hoffmann, foreword to Chemical Sciences in the 20th Century: Bridging Boundaries (Weinheim: Wiley-VCH, 2001); reprinted as “Clio’s Art in the Laboratory” in Chemical Heritage, 20(3), 3-4 (2002).

118. "Not a Library", R. Hoffmann, Angew. Chem. 40(18), 3337-3340 (2001).

117. "Thermophiles in Kamchatka", R.. Hoffmann, American Scientist 89, 20-23 (2001).

116. "Preface" to Patricia Linn, "Crear y criar con ciencio", Montevideo: A Monteverde, (2000).

115. "Challenge and Play, the C, H World", R.. Hoffmann a review of Henning Hopf, Classics in Hydrocarbon Chemistry, R. Hoffmann, in Nachrichten aus der Chemie 48 (2000).

114. "Protean", R. Hoffmann and Pierre Laszlo, Angew. Chem. Int. Ed., 40(6), 1033-1036 (2001).

113. "Benjamin Lee Whorf: once a Chemist..." R. Hoffmann and Pierre Laszlo, Interdisciplinary Science Reviews, 26(1), 15-19 (2001); in French in Alliage 47, 59-65 (2001).

112. "At First Sight", Roald Hoffmann, Crystal Growth and Design, 1(1), 3 (2000).

111. "How Symbolic and Iconic Languages Bridge the Two Worlds of the Chemist: A Case Study from Contemporary Bioorganic Chemistry", E.R. Grosholz, R. Hoffmann, in Nalini Bhushan and Stuart Rosenfeld, Of Minds and Molecules: New Philosophical Perspectives on Chemistry, Oxford University Press (2000); also in French in Les Langages Scientifiques, ed. F. Létoublon, Editions ARASSH, Grenoble.

110. "The Language of Science, the Language of Poetry", Roald Hoffmann, Future – The Aventis Magazine 2, 76-81 (2000).

109. "Writing (and Drawing) Chemistry", R. Hoffmann, Writing and Revising the Disciplines, ed. Jonathan Monroe, Cornell University Press, 29-53 (2002).

108. "Science and Poetry", Roald Hoffmann, in Connecting Creations: Science-Technology-Literature-Arts, ed. M.A. Safir, Centro Galego de Arte Contemporanea (CGAC), Xunta de Galicia, Santiago de Compostela, Spain, (2000); also in Spanish, “Ciencia y Poesía” and “Ingeniería de la Servilleta” in Conectando creaciones: Ciencia-Tecnología-Literatura-Arte, Xunta de Galicia, Santiago de Compostela, Spain, (2000).

107. "Science-in-Theater", Roald Hoffmann & Carl Djerassi, in "Connecting Creations: Science-Technology-Literature-Arts", ed. M.A. Safir, Centro Galego de Arte Contemporanea (CGAC), Xunta de Galicia, Santiago de Compostela, Spain, (2000).

106. "Narrative", Roald Hoffmann, American Scientist, 88(4), 310-313 (2000).

105. “Chimica dell’imaginazione”, Roald Hoffmann, Il Sole-24 ore (in Italian) 110, 33 (April 23, 2000).

104. "How Nice to be An Outsider", Roald Hoffmann, Candadian Review of Comparative Literature 26 (1999).

103. "A Mission Statement for the Nobel Museum", Roald Hoffmann, Nobelmuseet Newsletter 4 (1999).

102. "Ferrocene: Ironclad History or Rashomon Tale?", Pierre Laszlo and Roald Hoffmann, Angewandte Chemie 39(1), 123-124 (2000).

101. "Exquisite Control", Roald Hoffmann, American Scientist 88, 14 (2000).

100. "Pulse, Pump and Probe", Roald Hoffmann, American Scientist, 87, 308 (1999).

99. "The Essence of Nature in the Art of Charles Seliger", Roald Hoffmann in “Charles Seliger, the Nascent Image”, Exhibition Catalogue, Michael Rosenfeld Gallery, New York (1999).

98. "A Really Moving Story", R. Hoffmann, American Scientist, 87(1), 21-23 (1999).

97. "Serendipity, the Grace of Discovery", R. Hoffmann, Drug Innovation and Approval 1, 28-31 (Dec. 1998).

96. "The Say of Things", R. Hoffmann, P. Laszlo, Social Research, 65 (3), 653-693 (Fall 1998); excerpts translated into Italian by Sylvie Coyaud as “Per una Nova Chimica delle Idee”, Il Sole 24 Ore, 29 Nov. 1998, p.32; (in German, translated by Christiana Goldmann) in Von Verständnis der Natur, ed. Matthias Kross, Berlin: Akademie Verlag (2001).

95. "Döbereiner’s Lighter", American Scientist, 86(4), 326-329 (1998).

94. "Movement of the People", Science, 280, 386-387 (Apr. 17, 1998).

93. "Kenichi Fukui", Nature, 391, 750 (Feb. 19, 1998).

92. "Favorites", in "At the Johnson", 1-2 (Winter/Spring 1998).

91. "Crystal-Cloudy, Crystal-Clear", American Scientist, 86(1), 15-18 (1998).

90. "Disbelief, Poetry, and Religion", Rendezvous (Idaho State University Journal of Arts and Letters), 31(2), 5-18 (1997).

89. "Mind the Shade", Chemical and Engineering News, 75, 3 (Nov. 10, 1997).

88. "Truth on the Outside", a review of "On the Surface of Things," by Felice Frankel and George M. Whitesides, Nature, 389, 348 (Sept.25, 1997).

87. "How Can One Speak to All?", Chemie Heute, 116-118 (1997).

86. "Thalidomide, at What Price?", New York Times, Sept. 25, 1997, p. A31. Reprinted, in modified form, in Italian (tr. Sylvie Coyaud), in Il Sole - 24 Ore, Nov. 23, 1997.

85. “Scienziati, uscite dal guscio” (in Italian, tr. Sylvie Coyaud), Il Sole - 24 Ore, June 8, 1997, p. 28.

84. "Fraudulent Molecules", American Scientist, 85(4), 314-317 (1997).

83. "Book review" of “The Responsible Conduct of Research" by Doré Beach and others, Angew. Chem., Int. Ed. Engl., 36, 170-171 (1997).

82. "A Natural-Born Fiber", American Scientist, 85, 21-22 (1997).

81. "Ethical Issues in Research", Future, The Hoechst Magazine, 66-69 (1996).

80. "Teach to Search", J. Chem. Educ., 73(9), A202-A209 (1996).

79. "Cs3Te22, The One We Now Know", American Scientist, 84, 327-329 (1996).

78. "Ockham's Razor and Chemistry", R. Hoffmann, V.I. Minkin, and B.K. Carpenter, Bul. Soc. Chim. France, 133, 117-130 (1996); Reprinted in Hyle, 3-28 (1997).

77. "Just A Little Bit Unnatural", Art Journal, 55(1), 62-63 (1996).

76. "Research Strategy: Teach", American Scientist, 84, 20-22 (1996); J. College Science Teaching 26(1), 49-51 (1996).

75. "Some Heretical Thoughts on What Our Students Are Telling Us", R. Hoffmann, B.P. Coppola, J. Coll. Sci. Teach, XXV, 390-394 (1996).

74. "Hwang-Sa, The Yellow Dust," (in Korean) Shisa Journal, 66-67 (June 22, 1995).

73. "C2 In All Its Guises", American Scientist, 83, 309-311 (1995).

72. "Bound for Glory", in Scientific American: Triumph of Discovery: a Chronicle of Great Adventures in Science, Henry Holt and Co., New York, p. 144-147 (1995).

71. "Glass: A Way to Store Radioactive Wastes," (in Korean), Shisa Journal, 90-91 (April 13, 1995).

70. "New Molecules That Look Like Trees or a Burst of Fireworks," (in Korean), Shisa Journal, (Feb. 23, 1995); (in Spanish), Alephzero 1, Sintesis, Puebla, Mexico, p. 5 (Sept. 4, 2003).

69. "Letter to Former Graduate Students and Postdocs", Chemical Intelligencer, 1(1) 44-46 (1995).

68. "Classical Democracy and Scientific Expertise", American Scientist, 83, 23-25 (1995).

67. "Too Much of Something Good," (in Korean), Shisa Journal, 96-97 (Dec. 15, 1994).

66. "New Ways to Get Clothes Clean," (in Korean), Shisa Journal, 76-77 (Nov. 3, 1994).

65. "Preface" for French and English editions of "Éléments de Chimie quantique à l'usage des chimistes", 2nd edition, by Jean-Louis Rivail, InterÉditions, Paris, (1994).

64. "Number One This Week, For the 500th Week in a Row," (in Korean) Shisa Journal, 78-79 (August 25, 1994).

63. "Just a Little Bit Unnatural," (in Korean), Shisa Journal, 70-71 (June 30, 1994).

62. "Geleitwort" for "Chemische Kabinettstücke" by H.W. Roesky and K. Möckel, (Weinheim: VCH, 1994), v-vii.

61. "DNA as Clay", American Scientist, 82, 308-311, (1994).

60. "Fixing Nitrogen," (in Korean), Shisa Journal, 74-76 (May 5, 1994).

59. "A Molecule is a Molecule", (in Korean), Shisa Journal, 76-77 (March 10, 1994).

58. "Pure/Impure", Roald Hoffmann and Shira Leibowitz, New England Review, 16(1), 41-64, (1994).

57. "Winning Gold", American Scientist, 82, 15-17 (1994).

56. "Reactions Speak Louder Than Words", book review of "La Parole des Choses" by Pierre Laszlo, Nature, 368, 361 (March 24, 1994).

55. "Química, Democràcia i la Disputa de Barcelona", (in Catalan, translated by Santiago Alvarez), Butll. Soc. Catalanes Fís. Quím. Mat. Tecnol. XIV(1), 13-21 (1993).

54. "Art and Chemistry", Herbert F. Johnson Museum of Art Annual Report, 9-11 (1992-3).

53. "The Four Elements", Roald Hoffmann and Vivian Torrence, The Sciences, 28-31 (Nov./Dec. 1993). (This is essentially an excerpt from No. 40-43, or from Chemistry Imagined); translated into Greek by Maria-Eleni Spiridaki, Chemica Chronica, 57(1), 11-13 (1995).

52. "Transformation", preface to catalogue for the art exhibition "Creative Solutions to Ecological Issues," by Gail Gelburd, Council for Creative Projects and University of Pennsylvania Press, 1993, p. 5.

51. "Of What Use Enediynes?" American Scientist, 81, 324-326 (1993).

50. "Unnatural Acts", Discover, 14(8), 21-24 (1993).

49. "Myth Busters", The Times (London) Higher Education Supplement, June 21, 1993, p. 17-20. Reprinted in Der Katalyt, (Bern), 60, 21-31 (1993); Chemistry in Action, 44, 2-5 (1994).

48. "Book Review" of "Introduction to Cluster Chemistry", D.M.P. Mingos and D.J. Wales, J. Chem. Soc. Faraday Trans., 89, 2109 (1993).

47. "Book review" of "Reflections On Symmetry In Chemistry...And Elsewhere", by E. Heilbronner and J.D. Dunitz, Angew. Chem. Int. Ed. Engl., 32, 129-130 (1993).

46. "For The First Time, You Can See Atoms", American Scientist 81, 11-12 (1993). Modified from essay in "Chemistry Imagined."

45. "How Should Chemists Think?", Scientific American, 268, 66-73 (February 1993). As "Die Chemie zwischen Natur und Ideal" (in German), Spektrum der Wissenschaft, 68-77 (April 1993). As "Les choix du chimiste" (in French), Pour la Science, 68-76 (April 1993).

44. "Some Reflections on Science in the Low-Income Economies", The World Bank, PHREE Background Paper Series, Document PHREE/92/71, (1992); Current Science, 65, 300-306 (1993); Estudos e Documentes, CETEM (Rio de Janeiro), 20 (1993); (translated into Spanish by Carlos Chimal), Boletin de la Academia de la Investigación Cientifica, 10, 37-95 (Jan.-Feb. 1993).

43. "Fire" (in German), Kultur & Technik, 3, 43 (1992); (in German, English, and French), Sandoz Bulletin, 30(106), 23-31. From "Chemistry Imagined."

42. "Water" (in German), Kultur & Technik, 3, 41 (1992); (in German, English, and French), Sandoz Bulletin, 30(106), 23-31. From "Chemistry Imagined."

41. "Earth" (in German), Kultur & Technik, 3, 39 (1992); (in German, English, and French), Sandoz Bulletin, 30(106), 23-31. From "Chemistry Imagined."

40. "Air" (in German), Kultur & Technik, 3, 37 (1992); (in German, English, and French), Sandoz Bulletin, 30(106), 23-31. From Chemistry Imagined.

39. "Do Mythic Heroes Pervert the Beauty of Scientific Research?", ScienceWriters, 40(2), 3-4 (1992).

38. "Theory and Practice", American Scientist, 80, 310-311 (1992). From "Chemistry Imagined."

37. "We are Doomed to Innovating"", (in Russian), Vestnik Rossiiskoi Akademii Nauk, 4, 3-5 (1992); (translated into English) Herald of the Russian Academy of Sciences, 62(5), 297-298 (1992).

36."Book review" of "The Clock Runs Backwards" by Carl Djerassi, Interdisciplinary Science Reviews, 17(1), 96 (1992).

35. "Art and Science, Money and Morals", American Scientist, 80, 10-11 (1992). Reprinted, under the title "Art, Science Offer Freedom but Entail Responsibility" in The Scientist, 6(19), 13 (1992).

34. "Tikkun", Cornell Alumni News, 94(5), 43 (Dec. 1991). From Chemistry Imagined.

33. "The Top Ten", Cornell Alumni News, 94(5), 41 (Dec. 1991). From Chemistry Imagined.

32. "Radium", Cornell Alumni News, 94(5), 37 (Dec. 1991). From Chemistry Imagined.

31. "Preface" for "Chemistry of Superconductor Materials", ed. T.A. Vanderah, Noyes Publ., Park Ridge, 1992, p. ix-x.

30. "Signs and Portents: No Parking in the Courtroom", Shira Leibowitz and Roald Hoffmann, Diacritics, 21(1), 2-23 (1991).

29. "Foreword" to "Creativity, Delayed Recognition, and Other Essays: Essays of an Information Scientist", by Eugene Garfield, volume 12, ISI Press, Philadelpha, 1991, p. xi-xii. Reprinted in Current Contents, 50, 9-10 (Dec. 23-30, 1991).

28. "Faszination Chemie, 7000 Jahre Kulturgeschichte der Stoffe und Prozesse", by O. Krätz, book review, Angew. Chem. Int. Ed. Engl., 30(8), 1046 (1991).

27. "Hot Brines in the Red Sea", American Scientist,79, 298-299 (1991).

26. "Molecular Mimicry, Rachel and Leah, The Israeli Male, and the Inescapable Metaphor in Science", Roald Hoffmann and Shira Leibowitz, Michigan Quarterly Review, 30(3), 382-397 (1991).

25. "Soviet Emigre Talent: A Windfall for U.S. Employers", The Wall Street Journal, June 24, 1991, p. 10.

24. "Why Scientists (or Engineers) Shouldn't Run the World", Issues in Science and Technology, VII(2), 38-39 (1991); in modified form, under the title "Anti-Plato" in the Bulletin of the Institute For Theological Encounter with Science and Technology, 24(2), 1993.

23. "In Praise of Synthesis", Negative Capability, X(2 & 3), 162-175 (1990); in Russian, Khimia i Zhizn', 5, 61-66 (1990); American Scientist, 79, 11-14 (1991); in French in Alliage, 9, 65-75 (Fall 1991); in Portuguese, Química, 49, 28-31 (1993); .

22. "Molecular Beauty", J. Aesthetics and Art Criticism, 48(3), 191-204 (1990). This is a composite version, with changes, of papers 8, 9, 11 and 12; Interdisciplinary Science Revs., 16, 301-312 (1991); (in Korean, in modified form) Hyundae Moonhak, 467, 261-271 (Nov. 1993).

21. "Natural/Unnatural", New England Review and Bread Loaf Quarterly, XII(4), 323 (1990); Reprinted in Interdisciplinary Science Revs., 16, 161-167 (1991). Reprinted in Science, Technology and Society (Lehigh Univ.), 79, 1 (1990). Reprinted in modified form in M. D. Joesten, D. O. Johnston, J. T. Netterville and J. L. Wood, The World of Chemistry, Saunders, Philadelphia, 1991, p. 23. Reprinted in New England Review, 15(1), 234-243 (1993) (Fifteenth Anniversary Anthology). Translated into Spanish by Angela Cacho Castillo, Revista Universitaria (Santiago, Chile), 45, 16-22 (1994). Translated into Polish by Dorota Bank-Hammermeister and Danuta Sobczynska, in Teoria-Technika-Eksperyment, (Poznan: Wydawnictwo Naukowe IFUAM), 11-28 (1995). Reprinted in Spanish in Relaciones, (Montevideo, Uruguay), 154, 11-13 (March 1997).

20. "Art in Science?", Q (A Journal of Art), 62-65 (May 1990); Ometeca (in English and Spanish), I(2)-II(1), 83-102 (1989-90); Current Science, 60(6), 346-349 (1991).

19. "Chemistry, Democracy, and a Response to the Environment", Chemical and Engineering News, 68(17), 25-29 (April 23, 1990); in modified form, in Greek, in Chimika Chronika, 54(1), 4-8 (1992); in modified form, under the title "Rational Limits", in Boston College Magazine, 51(3), 30-35 (1992).

18. "Creation and Discovery", American Scientist, 78, 14 (1990); reprinted in Rev. Roum. Chim. 35, 305-308 (1990). Also in Chemistry Imagined.

17. "Blue As The Sea", Liber, 1(2), (December 1989). Liber appears in English, French, German, Italian and Spanish as a supplement to the Times Literary Supplement, Le Monde, Frankfurter Allgemeine, L'Indice dei Libri del Mese, El Pais. Published in slightly different form in American Scientist, 78, 308 (1990).

16. "Representation in Chemistry",Roald Hoffmann and Pierre Laszlo; in French under the title "La Représentation en Chimie", Diogène, 147, 24 (1989); in English, ibid., p. 23. In slightly different form in German as "Darstellungen in der Chemie — die Sprache der Chemiker", Angewandte Chemie, 103, 1-16 (1991); Angewandte Chemie. Int. Ed. Engl., 30, 1-16 (1991). Translated into Polish by Danuta Sobczyhska and Pawel Zeidler, in Nowy Eksperymentalizm, Teoretycyzm, Reprezentacja, (Poznan: Wydawnictwo Naukowe Institutu Filozofii UAM), 133-174 (1994).

15. "University research and teaching: an enriching and inseparable combination", The Boston Sunday Globe, November 5, 1989. First published, in slightly different form, in CUE (Cornell Undergraduate Education) 2(2), 1-3 (1989) under the title "Research/Teaching — A Complex Dance". Reprinted in By George (George Washington University), 1(9), 8, (1990). Reprinted, abbreviated, in College Digest, XX, XXX. Reprinted in Zh. Vsesoyuz. Khim. Obschestva im. Mendeleyeva, 35, 356 (1990).

14. "Can You Build a Succa from an Elephant?", Cheryl-Shira Leibowitz and Roald Hoffmann, The Jerusalem Post Magazine, Oct. 13, 1989, p. 4; under the title "The Succa and the Elephant", The Jerusalem Post International Edition, Oct. 14, 1989, p. 11.

13. "Ignorance, Ignorantly Judged", New York Times, Sept. 14, 1989, p. A29.

12. "Molecular Beauty IV: Toward an Aesthetic Theory of Six-coordinate Carbon", American Scientist, 77, 330 (1989).

11. "Molecular Beauty III. As Rich As Need Be", American Scientist, 77, 177 (1989); in modified form in M. D. Joesten, D. O. Johnston, J. T. Netterville, and J. L. Wood, The World of Chemistry, Saunders, Philadelphia, 1991, p. 488. Also in Chemistry Imagined.

10. "Under the Surface of the Chemical Article", Angew. Chem. Int. Ed., 27, 1593-1602 (1988); also, in German, under the title of "Die chemische Veröffentlichung — Entwicklung oder Erstarrung im Rituellen?", Angew. Chem., 100, 1653-1663 (1988); and in German, under the title "Sprachritual und Naturwissenschaft", Universitas, 45 (528), 580 (1990); as "Por trás do artigo de Química", in Portuguese, translated by M.J. Calhorda, in Química, 50, 44-52 (1993).

9. "Molecular Beauty II. Frogs About to be Kissed", American Scientist, 76, 604 (1988); in modified form in M. D. Joesten, D. O. Johnston, J. T. Netterville, and J. L. Wood, The World of Chemistry, Saunders, Philadelphia, 1991, p. 371.

8. "Molecular Beauty I", American Scientist, 76, 389 (1988); also (in Japanese) in Kagaku To Kogyo, 42, 102 (1989). In modified form, in M. D. Joesten, D. O. Johnston, J. T. Netterville, and J. L. Wood, The World of Chemistry, Saunders, Philadelphia, 1991, p. 142.

7. "How I Work as Poet and Scientist", The Scientist, March 21, 1988, p. 10; in modified form, under the title "Language Under Stress," in The New Theater Review, 11, 16 (1994).

6. "Nearly Circular Reasoning", American Scientist, 76, 182 (1988).

5. "Unstable", American Scientist, 75, 619 (1987).

4. "Plainly Speaking", American Scientist, 75, 418 (1987).

3. "Two Unfortunate Trends" in "Critical Thinking", ed. Anne B. Grinols, Cornell University Press, Ithaca, 1984, p. 37. Republished by Wadsworth Publishing Co., Blemont, 1988, p. 69.

2. "Commentary"(comments on the article by Leo Marx "Are Science and Society Going in the Same Direction"), Science, Technology and Human Values, 8, 10 (1983).

1. "Six Poems", New Journal of Chemistry, 12(1), 4-7 (1988).

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