American biochemist (1891–1987) who won, with James Batcheller Sumner and Wendell Meredith Stanley, the 1946 Nobel Prize in Chemistry. ALS, one page, 6.25 x 9, personal letterhead, May 20. Brief letter reads, in full: “The most important discovery of this century was that of the ‘Pill’ by Gregory Pincus.” In fine condition, with a horizontal mailing fold affecting tops of a few letters of signature. RRAuction COA.
