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Frank Tannenbaum (1893-1969), Austrian-US sociologist, historian and criminologist. In his youth, Tannenbaum was part of the radical workers' movement in New York City. He was a member of the union Industrial Workers of the World, and a leader of the Bayonne refinery strikes of 1915-1916. Philanthropic benefactions enabled Tannenbaum to then attend Columbia University, and he went on to obtain a doctorate in economics from the Brookings Institution. After carrying out research in Mexico, he taught criminology at Cornell University. His final position was professor of Latin American history at Columbia. His works include 'Crime and the Community' (1938) and 'Ten Keys to Latin America' (1962). Photograph from the Bain News Service.