Roy Crowson was born in the county of Kent, England, on November 22, 1914. He graduated from University College, London, in 1936, and then began anatomical research on Coleoptera. He worked as assistant curator of the Tunbridge Wells Museum until World War II, when he served in the Royal Air Force. In 1948, he joined the Department of Zoology of Glasgow University. Numerous publications on structure of beetle adults and larvae followed, with more on classification, until his death. Major works were a series called “The natural classification of the families of Coleoptera” which (1955) were republished as a book, a (1971) book “Classification and biology”, and a (1981) book “The biology of the Coleoptera.” He died on May 13, 1999, survived by his wife, Betty.