Scientists beginning with "M"
- MacCullagh, James — (1809-24.10.1847) was an Irish theoretical physicist and a member of the Royal Irish Academy (1833).
- Mach, Ernst — (18.02.1838-19.02.1916) was an Austrian physicist and idealist philosopher.
- Madelung, Erwin — (18.05.1881-1972) was a German theoretical physicist.
- Magnus, Heinrich Gustav — (2.05.1802 - 4.04.1870) was a German physicist and chemist and a member of the Berlin Academy of Sciences (1840).
- Maiman, Theodore Harold — (born 11.07.1927) is an American physicist and a member of the National Academy of Sciences.
- Majorana, Ettore — (5.08.1906-25/26.03.1938) was an Italian theoretical physicist.
- Maksutov, Dmitri Dmitriyevich — (23.04.1896-12.08.1964) was a Soviet optical physicist and a corresponding member of the USSR Academy of Sciences (1946).
- Malinovsky, Tadeusz Iosifovich — (born 14.10.1921) is a Soviet physicist and an academician of the Academy of Sciences of the Moldavian SSR (1976).
- Malus, Étienne Louis — (23.07.1775-24.02.1812) was a French physicist and a member of the Paris Academy of Sciences (1810).
- Mamasakhlisov, Vagan Ivanovich — (18.12.1907-19.07.1972) was a Soviet theoretical physicist and an academician of the Academy of Sciences of the Georgian SSR (1960).
- Mandelstam, Leonid Isaakovich — (4.05.1879 —27.06.1944) was a Soviet physicist and an academician (1929; a corresponding member in 1928).
- Mandelstam, Sergei Leonidovich — (born 22.02.1910) is a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1979).
- Mandelstam, Stanley — (born 12.12.1928) is a theoretical physicist.
- Marci, Jan Marek — (13.02.1595-10.04.1667) was a Czech scientist.
- Marconi, Guglielmo — (25.04.1874-20.07.1937) was an Italian physicist, engineer and entrepreneur and a member of the Accademia dei Lincei (1912), and from 1930 its president.
- Mariotte, Edme — (1620-12.05.1684) was a French physicist, a member of the Paris Academy of Sciences (1666) and one of its founders.
- Markov, Moisei Alexandrovich — (born 13.05.1908) is a Soviet theoretical physicist and an academician (1966; a corresponding member in 1953).
- Marsden, Ernest — (19.02.1889-15.12.1970) was a New Zealand physicist and a Fellow of the Royal Society of New Zealand (president in 1947).
- Marshak, Robert — (born 11.10.1916) is an American physicist and a member of the National Academy of Sciences (1958).
- Marx, György — (born 25.05.1927) is a Hungarian theoretical physicist and a corresponding member of the Hungarian Academy of Sciences (1970).
- Mascart, Éleuthère Élie Nicolas — (20.02.1837-26.08.1908) was a French physicist and a member of the Paris Academy of Sciences (1884), and in 1904 its president.
- Massey, Harrie Stewart Wilson — (born 16.05.1908) is an English physicist and a Fellow of the Royal Society (1940), vice-president 1969 — 78.
- Mattauch, Josef Heinrich — (born 21.12.1895) is an Austrian physicist and a member of the Austrian Academy of Sciences.
- Matteucci, Carlo — (2.06.1811-24.06.1868) was an Italian physicist and physiologist.
- Matthias, Bernd Theodor — (8.06.1918-27.10.1980) was an American physicist and a member of the National Academy of Sciences (1965).
- Maurolico, Francesco — (16.09.1494-21.07.1575) was an Italian mathematician, physicist and astronomer.
- Maxwell, James Clerk — (13.07.1831 — 5.02.1879) was an English physicist and a Fellow of the Royal Society of Edinburgh (1855) and of the Royal Society of London (1861).
- Mayer, Joseph Edward — (born 5.02.1904) is an American theoretical physicist and chemist and a member of the National Academy of Sciences.
- Mayer, Julius Robert — (25.02.1814-20.03.1878) was a German physician.
- McLennan, John Cunningham — (14.04.1867 — 9.10.1935) was a Canadian physicist and a Fellow of the Royal Society of Canada (1903), of which he was president in 1924.
- McMillan, Edwin Mattison — (born 18.09.1907) is an American physicist and a member of the National Academy of Sciences (1947).
- Meggers, William Frederick — (13.07.1888 — 19.02. 1967) was an American physicist and a member of the National Academy of Sciences (1954).
- Meissner, Walther Fritz — (16.12.1882 —16.02.1974) was a German physicist and a member of the Bavarian Academy of Sciences.
- Meitner, Lise — (7.02.1878-27.10.1968) was an Austrian physicist and radiochemist.
- Melloni, Macedonio — (11.04.1798-11.03.1854) was an Italian physicist.
- Mendeleev, Dmitri Ivanovich — (8.02.1834—2.02.1907) was a Russian scientist and a corresponding member of the St Petersburg Academy of Sciences (1876).
- Mendelssohn, Kurt Alfred Georg — (7.01.1906—18.09.1980) was an English physicist and a Fellow of the Royal Society (1951).
- Menon, Mambillikalathil Govind Kumar — (born 28.08.1928) is an Indian physicist and a member of the Indian Academy of Sciences (1971), and its president in 1974 — 76.
- Mersenne, Marin — (8.09.1588-1.09.1648) was a French scientist.
- Meshcheryakov, Mikhail Grigoryevich — (born 17.09.1910) is a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1953).
- Mesyats, Gennady Andreyevich — (born 28.02.1936) is a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1979).
- Meyer, Stefan — (27.04.1872-29.12.1949) was an Austrian physicist and a member of the Austrian Academy of Sciences.
- Michelson, Albert Abraham — (19.12.1852—9.05.1931) was an American physicist, a member of the National Academy of Sciences (1888) and its president in 1923-27.
- Mie, Gustav Adolf — (29.09.1868-13.02.1957) was a German physicist.
- Mięsowicz, Marian — (born 21.11.1907) is a Polish physicist and a member of the Polish Academy of Sciences (1964), and its vice-president in 1969 — 77.
- Migdal, Arkady Beinusovich — (born 11.03.1911) is a Soviet theoretical physicist and an academician (1966; corresponding member 1953).
- Migulin, Vladimir Vasilyevich — (born 10.07.1911) is a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1970).
- Mikhailov, Yuri Ananyevich — (born 1.01.1927) is a Soviet physicist and an academician of the Academy of Sciences of the Latvian SSR (1968).
- Mikheev, Mikhail Nikolayevich — (born 28.10.1905) is a Soviet physicist and a corresponding member of the USSR Academy of Sciences (1979).
- Mikhelson, Vladimir Alexandrovich — (30.06.1860-27.02.1927) was a Russian physicist.
- Miller, Dayton Clarence — (13.03.1866-22.02.1941) was an American physicist and a member of the National Academy of Sciences (1921).
- Millikan, Robert Andrews — (22.03.1868 —19.12.1953) was an American experimental physicist and a member of the National Academy of Sciences (1915).
- Millionshchikov, Mikhail Dmitriyevich — (16.01.1913-27.05.1973) was a Soviet physicist and public figure, an academician (1962; corresponding member 1953), and from 1962 a vice-president of the USSR Academy of Sciences.
- Minkowski, Hermann — (22.06.1864-12.01.1909) was a German mathematician and physicist.
- Mints, Alexander Lvovich — (8.01.1895-29.12.1974) was a Soviet scientist in the field of radio electronics and accelerator technology, an academician (1958; corresponding member 1946).
- Mirianashvili, Matvei Mikhailovich — (5.10.1906-23.01.1975) was a Soviet theoretical physicist and an academician of the Academy of Sciences of the Georgian SSR (1974).
- Mlodzeevsky, Anatoly Boleslavovich — (10.04.1883-16.09.1959) was a Soviet physicist.
- Møller, Christian — (22.12.1904-14.01.1980) was a Danish theoretical physicist and a member of the Royal Danish Academy of Sciences and Letters.
- Morse, Philip McCord — (born 6.08.1903) is an American physicist and a member of the National Academy of Sciences (1955).
- Moseley, Henry — (23.09.1887-10.08.1915) was an English physicist and one of the founders of X-ray spectroscopy.
- Moskalenko, Vsevolod Anatolyevich — (born 26.09.1928) is a Soviet theoretical physicist and an academician of the Academy of Sciences of the Moldavian SSR (1976).
- Mössbauer, Rudolf Ludwig — (born 31.01.1929) is a German experimental physicist and a member of the Bavarian Academy of Sciences.
- Mossotti, Ottaviano Fabrizio — (18.04.1791-20.03.1863) was an Italian physicist.
- Mott, Nevill Francis — (born 30.09.1905) is an English theoretical physicist and a Fellow of the Royal Society (1936).
- Mottelson, Ben — (born 9.07.1926) is a Danish theoretical physicist and a member of the Royal Danish Academy of Sciences and Letters.
- Müller, Erwin Wilhelm — (13.06.1911 - 17.05.1977) was a German physicist.
- Mulliken, Robert Sanderson — (born 7.06.1896) is an American physicist and chemist and a member of the National Academy of Sciences (1936).
- Musschenbroek, Pieter van — (14.03.1692 — 19.09.1761) was a Dutch physicist.
- Mysovsky, Lev Vladimirovich — (18.02.1888-29.08.1939) was a Soviet physicist and a Doctor of Physical and Mathematical Sciences.