Robert Stroud (1890 1963 the Bird Man of Alcatraz imprisoned for the murder of a man in Juneau and a prison guard Stroud made his lifes work while incarcerated the study of birds and became a widely- respected ornithologist in the process. Als 2pp. 4to Alcatraz Prison July 19 1957 to a friend friendly content about the weather the birthdays of friends and adding I do nothing but read and study working on Cicero [a bird?] every morning Signed twice at start and conclusion.