Editing List of biologists (section)

===Me–Mi===
*[[Edmund Meade-Waldo]] (1855–1934), English ornithologist<ref>Abbreviation in zoology: Meade-Waldo</ref> who discovered chick rearing behaviour of sandgrouse
*[[Ilya Ilyich Mechnikov]] (1845–1916), Russian microbiologist awarded the Nobel Prize for work on the immune system and phagocytosis
*[[Johann Wilhelm Meigen]] (1764–1845), German entomologist known for   pioneering work on Diptera.
*[[Gregor Mendel]] (1822–1884), Austrian monk who is often called the "father of genetics" for his study of the inheritance of traits in pea plants<ref>Abbreviation in botany: Mendel</ref>
*[[Édouard Ménétries]] (1802–1861), French entomologist,<ref>Abbreviation in zoology: Ménétries</ref> an authority on Lepidoptera and Coleoptera
*[[Maud Leonora Menten]] (1879–1960), Canadian biochemist and histologist known for work on the kinetics of enzyme action
*[[Archibald Menzies]] (1754–1852), Scottish naturalist<ref>Abbreviation in botany: Menzies</ref> who introduced ''[[Araucaria araucana]]'' ("monkey-puzzle tree") to England
*[[Clinton Hart Merriam]] (1855–1942), American zoologist and ornithologist, author of ''Mammals of the Adirondacks''
*[[John C. Merriam]] (1869–1945), American paleontologist<ref>Abbreviation in zoology: Merriam</ref> known for his taxonomy of vertebrate fossils at the La Brea Tar Pits 
*[[Don Merton]] (1939–2011), New Zealand conservationist who saved the black robin from extinction, and also discovered the lek breeding system of the kākāpō
*[[Franz Meyen]] (1804–1840), Prussian physician and botanist,<ref>Abbreviation in zoology: Meyen</ref> author of ''Phytotomie'', the first major study of plant anatomy
*[[Rodolphe Meyer de Schauensee]] (1901–1984), Swiss-American ornithologist<ref>Abbreviation in zoology: Meyer de Schauensee</ref> noted for his study of South American birds
*[[Otto Fritz Meyerhof]] (1884–1951), German-American physician and biochemist awarded the Nobel Prize for research on muscles
*[[Leonor Michaelis]] (1875–1949), German biochemist known for work on enzyme kinetics, and on quinones
*[[André Michaux]] (1746–1802), French botanist<ref>Abbreviation in botany: Michx.</ref> and explorer noted for his study of North American flora
*[[Aleksandr Fyodorovich Middendorf]] (1815–1894), Russian zoologist<ref>Abbreviations in zoology: Middendorf, Midd.</ref> who described the effects of permafrost on the spread of animals and plants
*[[Nicholai Miklukho-Maklai]] (1846–1888), Russian marine biologist and anthropologist who studied indigenous people of New Guinea
*[[Gerrit Smith Miller Jr.]] (1869–1956), American zoologist<ref>Abbreviation in zoology: Miller</ref> who concluded that the jaw of "Piltdown man" came from a fossil ape and the skullcap from a modern human
*[[Jacques Miller]] (born 1931), French-Australian immunologist who discovered the function of the thymus
*[[John Frederick Miller]] (1759–1796), English illustrator (primarily of botany)<ref>Abbreviation in zoology: J.F. Miller</ref>
*[[Kenneth R. Miller]] (born 1948), American evolutionary biologist and author of ''Finding Darwin's God''
*[[Philip Miller]] (1691–1771), Scottish botanist,<ref>Abbreviation in botany: Mill.</ref>  author of ''The Gardener's and Florists Dictionary or a Complete System of Horticulture''
*[[Alphonse Milne-Edwards]] (1835–1900), French zoologist<ref>Abbreviation in zoology: A. Milne-Edwards</ref> who studied fossil birds and deep-sea exploration
*[[Henri Milne-Edwards]] (1800–1885), French zoologist<ref>Abbreviation in zoology: Milne-Edwards</ref> known for work on crustaceans
*[[César Milstein]] (1927–2002), Argentinian-British biochemist awarded the Nobel Prize for developing the use of monoclonal antibodies
*[[Maria Rosa Miracle Solé]] (1945–2017), Spanish Professor Emeritus of Ecology at the [[University of Valencia]]
*[[Peter D. Mitchell]] (1920–1992), British biochemist awarded the Nobel Prize for the theory of chemiosmosis
*[[George Jackson Mivart]] (1827–1900), English biologist, author of ''On the Genesis of Species''