Peter Henry Andrews Sneath FRS,[1] MD (17 November 1923 – September 9, 2011) was a microbiologist who co-founded the field of numerical taxonomy, together with Robert R. Sokal. Sneath and Sokal wrote Principles of Numerical Taxonomy,[2] revised in 1973 as Numerical Taxonomy.[3] Sneath reviewed the state of numerical taxonomy in 1995[4] and wrote some autobiographical notes in 2010.[5]
A special issue of the journal Antonie van Leeuwenhoek, on microbial systematics, is dedicated to the memory of Peter Sneath.[6]