"Brooklyn, NY"@en . . "City College, George Washington University"@en . . . "American"@en . "Solomon Kullback (19071994) was an American cryptanalyst and mathematician, who was one of the first three employees hired by William F. Friedman at the US Army's Signal Intelligence Service (SIS) in the 1930s, along with Frank Rowlett and Abraham Sinkov. He went on to a long and distinguished career at SIS and its eventual successor, the National Security Agency (NSA). Kullback was the Chief Scientist at the NSA until his retirement in 1962, whereupon he took a position at the George Washington University. The Kullback-Leibler divergence is named after Kullback and Richard Leibler."@en . . . "1994-08-05"^^ . "Solomon Kullback (19071994) was an American cryptanalyst and mathematician, who was one of the first three employees hired by William F. Friedman at the US Army's Signal Intelligence Service (SIS) in the 1930s, along with Frank Rowlett and Abraham Sinkov. He went on to a long and distinguished career at SIS and its eventual successor, the National Security Agency (NSA). Kullback was the Chief Scientist at the NSA until his retirement in 1962, whereupon he took a position at the George Washington University. The Kullback-Leibler divergence is named after Kullback and Richard Leibler."@en . "Frank M. Weida"@en . . . "Solomon Kullback"@en . . . "Solomon Kullback"@en . . "cryptanalysis, mathematics, information theory"@en . . "1907-04-03"^^ . . . . . . . "Work in Information theory, Kullback\u2013Leibler divergence"@en . "Boynton Beach, Florida"@en . . "George Washington University, National Security Agency"@en . . . "152"^^ . .