More than a simple survey of the current literature, Advances in Photochemistry offers critical evaluations written by internationally recognized experts. These pioneering scientists offer unique and varied points of view of the existing data. Their articles are challenging as well as provocative and are intended to stimulate discussion, promote further research, and encourage new developments in the field.In this volumeHypericin and its Perylene Quinone Analogs: Probing Structure, Dynamics, and Interactions with the Environment — K. DAS, M. HALDER, P. K. CHOWDHURY, J. PARK, Y. ALEXEEV, M. S. GORDON, and J. W. PETRICHThiophosgene, a Tailor-Made Molecule for Photochemical and Photophysical Studies — DAVID C. MOULE, TAKASHIGE FUJIWARA, and EDWARD C. LIM1,2-Cycloaddition Reaction of Carbonyl Compounds and Pentaatomic Heterocyclic Compounds — M. D. D'AURIA, L. EMANUELE, and R. RACIOPPIThe Invention of Dylux(r) Instant Access Imaging Materials and the Development of Habi Chemistry-A Personal History — ROLF DESSAUER