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COLTON, Frank B. (1923-2003). American scientist who in 1952 was first to synthesized Norethynodrel, the progestin used in Envoid, the first oral contraceptive. In 1953, he synthesized Norethandrolone and approved in 1956 as the first oral anabolic steroid. In 1988 he was inducted into the National Inventors Hall of Fame. Blue slip, 2”x6” with a printed Chemistry cachet, signed in full............ $27.50 |
