(1903–94; b. Brooklyn, NY; d. Boynton Beach, FL)
American statistician and cryptographer. Kullback attended City College (now City U), New York (BA, 1927), and Columbia U (MA, 1929). He obtained his PhD in mathematical statistics in 1934 from GWU. By this time he had been a member of the United States Army's Signals Intelligence Service for four years. The war years were busy ones for code-breakers and he was part of the three-man team that broke the Japanese codes. He did not leave the National Security Agency until 1962, when he joined the faculty at GWU. He received the Wilks Award of the ASA in 1976. Among his other honours was the Legion of Merit from the United States Army.
Subjects: Probability and Statistics.