After the arrest of his elder brother ( David Taitz ) in 1938 Taitz decided to leave TsAGI not waiting for his own arrest and worked as engineer-editor for the State Scientific Library of the NKTP editing the aviation department of the " News of Technical Literature " journal . In 1939 he got a chance to obtain position of a dean of Theoretical Mechanics Department at the Soviet Union Industrial Academy . However , in 1940 a delegation from TsAGI visited him and requested his return to the institute to head a group of researchers
arrest
Great Purge
Max Taitz