Alexander Weissberg-Cybulski
(October 8, 1901 in Cracow, died. April 4, 1964 in Paris) - physicist, a prisoner of the NKV D (1937-1940), the Gestapo (1940), a witness and one of the first analysts of the Great Purge in the USSR. Born in Krakow, the son of a wealthy Jewish merchant Samuel Weissberg. When he was a child of five parents moved to Vienna. Later, he studied there mathematics, physics, electrical engineering and physics support. In 1929 he received a degree in engineering physics technical support.