Figure 8. Immunologists important in the dissection of the “biologic incompatibility” of Guthrie and Carrel. Left, Ernest Bashford (1873-1923) of the MRC in London, whose career was limited by his alcoholism, (Centre) James Baumgardner Murphy (1884-1950) of the Rockefeller Institute on New York a key player in the field. (Right) Erich Lexer of Vienna (1867-1937). All attributed graft loss principally to the action of what are now known as lymphocytes around 1912. (Courtesy Wellcome library, Rockfeller Institute and Wikipedia commons)