In 1941, Silverman was on loan to the [[Treasury Department]] and worked for a period of time on the frozen funds policy. Assistant Secretary of the United States Treasury [[Harry Dexter White]] used Silverman to supply documents also for Soviet intelligence in the latter part of 1942 and early 1943. Presidential Assistant [[Lauchlin Currie]] furnished Silverman with oral information, including information that the United States was on the verge of breaking Soviet codes. [[Irving Kaplan]] of [[War Production Board]] also was giving information to be transmitted to the Soviet Union to Silverman. As the war progressed, the volume of material increased. Silverman worked closely with [[Lud Ullman]], who also worked at the Pentagon and did the photographing of the stolen documents prior to being turned over to the [[Elizabeth Bentley#Golos network|Golos network]]. | In 1941, Silverman was on loan to the [[Treasury Department]] and worked for a period of time on the frozen funds policy. Assistant Secretary of the United States Treasury [[Harry Dexter White]] used Silverman to supply documents also for Soviet intelligence in the latter part of 1942 and early 1943. Presidential Assistant [[Lauchlin Currie]] furnished Silverman with oral information, including information that the United States was on the verge of breaking Soviet codes. [[Irving Kaplan]] of [[War Production Board]] also was giving information to be transmitted to the Soviet Union to Silverman. As the war progressed, the volume of material increased. Silverman worked closely with [[Lud Ullman]], who also worked at the Pentagon and did the photographing of the stolen documents prior to being turned over to the [[Elizabeth Bentley#Golos network|Golos network]]. |