<Li> Henry Radcliffe Crocker (1846--1909), dermatologist </Li> <Li> Jonathan Crocker (1874--1944), cricketer </Li> <Li> Sir John Crocker (1896--1963), World War II British army officer </Li> <Li> Ian Crocker (commentator) (living), British football radio commentator </Li>

Where does the last name crocker come from