By the end of 1936 at least four mid-level [[State Department]] officials were delivering information to Soviet intelligence: Alger Hiss, assistant to Assistant Secretary of State Francis Sayre; [[Julian Wadleigh]], economist in the Trade Agreements Section; [[Laurence Duggan]], Latin American division; and [[Noel Field]], West European division. Chambers told how a tank design by C.W. Christie was procured, and was put into production in the Soviet Union as the Mark BT. | By the end of 1936 at least four mid-level [[State Department]] officials were delivering information to Soviet intelligence: Alger Hiss, assistant to Assistant Secretary of State Francis Sayre; [[Julian Wadleigh]], economist in the Trade Agreements Section; [[Laurence Duggan]], Latin American division; and [[Noel Field]], West European division. Chambers told how a tank design by C.W. Christie was procured, and was put into production in the Soviet Union as the Mark BT. |