Lewis Hastings Sarett was a research scientist at one of the largest what, in the world?
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.
Big Tobacco Big Tobacco is the "big five" largest global tobacco industry companies which are Philip Morris International, British American Tobacco, Imperial Brands, Japan Tobacco International, and China Tobacco.