Bill Carruthers was born in 1924 in Glasgow. He won a bursary to Glasgow University, where he graduated with a first class honours degree in 1946 and a PhD in 1949. He moved to Exeter in 1956, working first for the Medical Research Council and then, from 1968, as a Lecturer then Senior Lecturer at the Department of Chemistry, University of Exeter. He died in April 1990, just a few months before he was due to retire. ***Widow's address: Mrs J. E. Carruthers, 72 Velwell Road, Exeter, Devon, EX4 4LD***