Ivan Naumovich Yazev

Infobox scientist name = Ivan YazevИван Язев image = Ivan_Yazev.png image_size = caption = birth_name = Ivan Naumovich Yazev birth_date = birth_place = Tatarsk, Russian Empire death_date = death_place = Irkutsk, Russian SFSR, Soviet Union nationality = fields = astronomy, geodesy workplaces = education = Omsk State Agrarian University doctoral_advisor = doctoral_students = thesis_title = Влияние космических причин на движение земного полюса including at Siberian State University of Telecommunications and Informatics and the Siberian Institute of Military Transport Engineers (now Siberian State Transport University). He was one of the founders of the in 1933. He served as deputy director and head of the Department of Astronomy between 1939 and 1945. At the Siberian Institute of Military Transport Engineers, he served as head of the Department of Geodesy.

In 1948, he was accused of having been a member of the Socialist Revolutionary Party