Keywords: Olin G. Blackwell.jpg en Warden Olin G Blackwell of Alcatraz http //a1 ec-images myspacecdn com/images01/121/cd52935dbbb344b468beb3c397a74c81/l jpg Work of a Federal Government employee whilst Blackwell was warden of Alcatraz from 1961-63 1961-03 PD-USGov Wardens of Alcatraz Federal Penitentiary |