1842-1910 1887-1940 1890-1948 1901-1989 20thcentury africanamericanintellectuals africanamericans biography blacknationalism caribbeanamericans claude contributionsinpoliticalsciencejames democracy history homesandhauntsjames intellectuallife james marcus masculinity politicalandsocialviewsgarvey politicalandsocialviewsmckay politicalaspects politicsandgovernment raceidentity unitedstates william