Excitation Energy and Electron Transfer in Photosynthesis

The present volume "Excitation Energy and Electron Transfer in Pho· tosynthesis" is dedicated to a colleague and dear friend Warren L. But­ ler. I first met Warren when he visited the University of Illinois at Ur­ bana during the early sixties; he left an indelible impression on me as a person with warmth and enthusiasm. Initially, he was someone I looked to for guidance, but later we also became ...