In 1931 Tolischus was transferred to London and promoted to the Bureau Chief of INS there; it meant that Tolischus was put in charge of all INS European news coverage. In London he was accompanied and installed by George H. Hargreaves, the vice president and general business manager of INS.
This transfer in 1931 meant that Tolischus assumed leadership of INS's European news division, based in London. He was accompanied by George H. Hargreaves, who served as INS's top executive and business manager.