Academy of Sciences of the USSR Correspondence re election of Dale as an honorary member (1942) with membership card; extensive documentation relating to Dale's resignation/expulsion in 1948 in connection with the 'Lysenko Controversy' in the field of genetics including drafts of resignation letter; associated correspondence; newspaper clippings; script of Dale's radio broadcast on the 'Lysenko Controversy' and statement prepared for the Central Office of Information 1947-1965