Yuri Stepashin
From Tardis Wiki, the free Doctor Who reference
Professor Yuri Stepashin was a Soviet scientist specialising in atom and radiation research. In October 1938, he was kidnapped by Don Chaney's gang to help them work out the nature of the Laiderplacker weapons that they found. Glory Bee was looking for him on behalf of the Soviet Union. (AUDIO: Invaders from Mars)