Sir William MacGregor Henderson FRS[1] FRSE MRCVS (17 July 1913 – 29 November 2000) was a Scottish veterinary expert on foot and mouth disease.
[2] He was in charge of controlling foot and mouth disease in South America from 1957 to 1966.
[3] His father was managing director of the company which printed bank-notes for the Royal Bank of Scotland.
During his career at the Animal Virus Research Institute at Pirbright, which he joined in 1939, Henderson developed an improved foot and mouth vaccine and developed a method of determining the virus content in a sample of infected material, which became known as the Henderson Method.
He obtained his DSc from the University of Edinburgh in 1945 with a thesis entitled “The quantitative study of foot-and-mouth disease virus”.