Lewis Hastings Sarett was a research scientist at one of the largest what, in the world?
Lewis Hastings Sarett: Lewis Hastings Sarett (December 22, 1917 – November 29, 1999) was an American organic chemist. Lewis Hastings Sarett:  While serving as a research scientist at Merck & Co., Inc., synthesized cortisone. Merck &amp; Co.: Merck & Co., Inc. (), d.b.a. Merck Sharp & Dohme (MSD) outside the United States and Canada, is an American pharmaceutical company and one of the largest pharmaceutical companies in the world.
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