title: Kekulé Escapes, Popper Notwithstanding I thank R. Hoffmann, J. M. McBride, and J. S. Siegel for helpful suggestions.
authors.affiliation: Department of Chemistry, Yale University 225 Prospect Street, P.O. Box 208107 New Haven, CT 06520-8107 (USA).
authors.initials: JA
authors.lastname: Berson