Jean-Charles-Galinard de Marignac Swiss chemist (1817-1894)
Vladimir Vasilevich Markovnikov, (1838–1904)
Lise Meitner, (1878–1968), physicist who studied radioactivity, part of the team that discovered fission
Dmitri Ivanovich Mendeleev, (1834–1907), chemist, creator of the Periodic Table of Elements
John Mercer, (1791–1866), chemist and industrialist
Stanley Miller (born 1930), American chemist, best known for the Miller-Urey experiment
Luis E. Miramontes (1925–2004), co-inventor of the contraceptive pill
William A. Mitchell, (1911–2004), inventor who worked on Pop Rocks, Tang, and Kool Whip
Alexander Mitscherlic, (1836–1918), chemist
Henri Moissan
Mario Molina (1943- ) Mexican-American chemist, winner of 1995 Nobel Prize in Chemistry Jacques Monod, (1910–1976), biochemist, 1965 Nobel Prize in Physiology or Medicine
Peter Moore (born 1939), American biochemist
Stanford Moore (1913-1982) American biochemist, winner of 1972 Nobel Prize in Chemistry
Henry Gwyn Jeffreys Moseley (1887-1915), English physicist, discovered Moseley's law
Robert S. Mulliken, (1896–1986), American physicist, chemist
