Papers of Sir Henry Hallett Dale PRS, physiologist and pharmacologist. Papers of Sir Henry Dale, who served as Secretary of the Royal Society from 1925 to 1935 and President from 1940 to 1945. The Papers consist of official correspondence, personal files, diaries, lectures and related correspondence, reprints, and miscellaneous items, such as photographs, and slides. Much of the material deals with the war years 1940-1945. Some supplementary material includes additional papers and correspondence, with Dale's medals and awards. 1888-1968