Blagoy Popov (Bulgarian: Благой Попов) (1902 – 1968), one of the co-defendants along with Georgi Dimitrov and Vasil Tanev in the Leipzig trial. After the trial, he moved to Moscow in February 1934. Popov studied there until 1937 when he was caught up in the Stalinist purges. He would spent the next seventeen years in a Soviet Gulag until he was officially rehabilitated in 1954.