Career
In 1922 Magyar went to the Soviet Union as the result of an exchange of prisoners. There he worked on the staff of the Communist International and at the newspaper Pravda. Between 1926 and 1927 he was sent on a diplomatic mission to China.
From 1929 to 1934 he served as deputy chief of the Oriental Secretariat of the Executive Committee of the Communist International.
In 1934, Magyar was falsely accused of being involved in the Kirov assassination. He was arrested and sentenced to prison convicted as a "Zinovievite-Terrorist".
Magyar was thrown in the gulag, where he ultimately perished.