What the company or idea is
Merck & Co. is a multinational pharmaceutical company founded in 1891 as the American affiliate of the German Merck Group, made independent in 1919 after U.S. government expropriation and resale.
How it actually makes money
Merck & Co. makes money by developing, manufacturing, and selling pharmaceuticals — including synthetic vitamins, sulfas, antibiotics like streptomycin, and hormones — and vaccines acquired via merger.
What works
Its merger strategy worked: acquiring Powers-Weightman-Rosengarten gave quinine capacity; the Sharp & Dohme–Mulford link brought vaccine technology used in WWI cavalry immunisation and diphtheria antitoxin delivery.
What does not
The company does not establish a continuous, self-contained R&D pipeline before the 1940s. Its major therapeutic breakthroughs relied on external academic partnerships (e.g., Rutgers) and wartime state programmes (e.g., War Research Service), not internal discovery engines.
What to take from it
Merck & Co.’s early growth came from strategic mergers (Powers-Weightman-Rosengarten, Sharp & Dohme), not organic scale — and its scientific reputation rests on funded external research and wartime state collaboration, not proprietary lab dominance.
Is it worth your time
Yes, if you are studying how pharmaceutical firms institutionalised R&D, leveraged government-linked research funding, or navigated wartime state contracts — not as a case of innovation heroism, but of structural alignment with U.S. scientific and military infrastructure.