Alan R. Blackburn, Jr. worked at the Museum February 1932 to December 1934. While at the Museum, he held three positions: Assistant Treasurer, February 17, 1932, to December 20, 1934; Executive Secretary, February 17, 1932 to October 1933; and Executive Director, October 20, 1933, to December 20, 1934. Both Blackburn and Philip Johnson resigned from the Museum in December of 1934 to pursue outside interests.
From the description of Alan R. Blackburn, Jr. papers, 1934-1935. (Museum of Modern Art (MOMA)). WorldCat record id: 670143614