 In June 1938 , he was only one of seventeen professionals and managers responsible for the Central Pavilion ; in October 1938 , he shared the responsibility for its Main Hall decoration with Vladimir <unk> . He simultaneously worked on the decoration of the Soviet pavilion for the 1939 New York World 's Fair ; the June 1938 commission considered Lissitzky 's work along with nineteen other proposals and eventually rejected it . 
