After holding several senior positions and spending 13 years in health service laboratories, G. O. Evans left the post of principal clinical chemist at Birmingham Children’s Hospital, England, to enter the field of laboratory animal toxicology and clinical pathology. He was head of clinical pathology at Wellcome Research
Laboratories, Beckenham, England. He then joined Astra Charnwood and, later, the two AstraZeneca sites in the United Kingdom as director of clinical pathology...