Liversidge Research Lecture The Royal Society of New South Wales HETEROCYCLIC CHEMISTRY, AND SOME BIOLOGICAL OVERTONES

Scots College (Sydney) in 1924 he undertook an apprenticeship in Pharmacy, attending the University of Sydney part-time. He became a registered pharmacist in 1928, but was drawn to pure science and returned to the University, graduating B.Sc (1st. class Hons.) with the University Medal in 1932. After working for short periods in the Pharmacy Department, University of Sydney, and then in a fabric dying firm, he went to London to work under W.H. Linnell at the College of the Pharmaceutical Society (London University) on aminoacridines, and graduated Ph.D. (Med) in 1937. He returned to Australia in 1938, and took a temporary teaching position in the Pharmacy Department, University of Sydney, and then a similar position in the Organic Chemistry Department of that Institution. He remained there during the Second World War, becoming involved with the war effort as part of a team supervised by Dr. Konrad Gibian of the Chemical firm Timbrol Ltd. During that time he prepared large scale amounts of both proflavine and the antimalarial "Atebrin"; in due course proflavine was replaced by 9-aminoacridine, a new compound firs