PHYSICIST

Mary K. Gaillard

1939 - 2025

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Mary Katharine Gaillard (née Ralph; April 1, 1939 – May 23, 2025) was an American theoretical physicist, known for her work in particle physics. She was a professor of the graduate school at the University of California, Berkeley, a member of the Berkeley Center for Theoretical Physics, and visiting scientist at the Lawrence Berkeley National Laboratory. She was Berkeley's first tenured female physicist. Gaillard's influential contributions included the prediction of the mass of the charm quark prior to its discovery (with Benjamin W. Lee); the prediction of 3-jet events (with John Ellis and Graham Ross); and the prediction of b-quark mass (with M.S. Chanowitz and Ellis). Read more on Wikipedia

Her biography is available in different languages on Wikipedia. Mary K. Gaillard is the 754th most popular physicist (up from 823rd in 2019), the 9,819th most popular biography from United States (up from 13,243rd in 2019) and the 170th most popular American Physicist.

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Among PHYSICISTS

Among physicists, Mary K. Gaillard ranks 754 out of 851. Before her are Friedrich Carl Alwin Pockels, Stanton T. Friedman, John Hopkinson, Balfour Stewart, Max Tegmark, and Elda Emma Anderson. After her are John Pendry, Brian Cox, Frank Benford, Paul Steinhardt, Jacques Friedel, and Lene Hau.

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Contemporaries

Among people born in 1939, Mary K. Gaillard ranks 521. Before her are Josef Černý, Yoshinobu Miyake, Chris Craft, Orlando Quevedo, Helen Prejean, and R. C. Sproul. After her are Karel Schoeman, Göran Sonnevi, Spencer Davis, Hadi Khosroshahi, David Ray Griffin, and Alfredo Bryce. Among people deceased in 2025, Mary K. Gaillard ranks 302. Before her are Martin Cruz Smith, Dick Barnett, Chuck Mangione, Niilo Halonen, Josef Černý, and Clodagh Rodgers. After her are Mara Corday, Andriy Parubiy, Sabu, Polly Holliday, Leandro Domingues, and Ignacio Rodríguez.

Others Born in 1939

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In United States

Among people born in United States, Mary K. Gaillard ranks 9,821 out of 20,380. Before her are Billy Beane (1962), Brad Gilbert (1961), Mary Boland (1882), John Keel (1930), George Russell (1923), and Edward Van Sloan (1882). After her are Edmund Kirby Smith (1824), Luke Gallows (1983), Loleatta Holloway (1946), Henriette Avram (1919), Flo Rida (1979), and Barney Ewell (1918).

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Among PHYSICISTS In United States

Among physicists born in United States, Mary K. Gaillard ranks 170. Before her are James Hartle (1939), Seymour Benzer (1921), Shirley Ann Jackson (1946), Robert Bacher (1905), Stanton T. Friedman (1934), and Elda Emma Anderson (1899). After her are Frank Benford (1883), Paul Steinhardt (1952), Bertrand Halperin (1941), Robert Marshak (1916), Samuel King Allison (1900), and C. R. Hagen (1937).

American born Physicists

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