This is about early- and mid-20th-century mathematician. For his mathematician son, active from the mid-20th century, see L. R. Ford Jr.
Lester Randolph Ford Sr. (October 25, 1886 – November 11, 1967) was an American mathematician, editor of the American Mathematical Monthly from 1942 to 1946, and president of the Mathematical Association of America from 1947 to 1948.
Ford circles are named after him. He is the father of L. R. Ford Jr.
Education and career Ford's first degree, Bachelor of Pedagogy, was from a normal school in Missouri. He then attended the University of Missouri in Columbia, graduating with a B.A. in 1911. For graduate work he went to Harvard University in 1912 and 13. Ford was then called to Scotland, where in 1914 he was instructor of mathematics at University of Edinburgh. Games of chess on campus gave Ford some social contact and reputation. In 1915 Ford published An Introduction to the Theory of Automorphic Functions as Edinburgh Mathematical Tract # 6.
Returning to Harvard in 1917, Ford was awarded his Ph.D. for the thesis Rational Approximations to an Irrational Complex Number, under the supervision of Maxime Bôcher.L. R. Ford (1918) Rational Approximations to an Irrational Complex Number, Transactions of the American Mathematical Society
Later Ford joined the faculty of Rice Institute in Houston, Texas. There he married Marguerite Eleanor John on 15 June 1924.
Moving north to Chicago, Ford taught at Armour Institute, soon to become Illinois Institute of Technology. From there he went to the editorship of The American Mathematical Monthly during World War II.L. R. Ford (1946) "Retrospect", American Mathematical Monthly 53(10): 582–5 Ford was president of the Mathematical Association of America from 1947 to 1948.
In 1964, the MAA recognised his contribution to mathematics by establishing the Lester R. Ford Awards for authors of articles of expository excellence published in The American Mathematical Monthly or Mathematics Magazine.Lester R. Ford AwardMAA presidents: Lester Randolph Ford Sr. (The prize is now known as the Paul R. Halmos – Lester R. Ford Award.Paul R. Halmos - Lester R. Ford Awards on the website of the Mathematical Association of America.) His doctoral students include Edwin Beckenbach.
Publications 1915: An Introduction to the Theory of Automorphic Functions via Internet Archive 1919: Elementary Mathematics for Field Artillery 1929: 1928: Introduction to Differential Equations via HathiTrust 1933: Differential Equations, second edition 1955,Review of Differential Equations. By Lester R. Ford. New 2nd Edition. xii, 291. 37s. 6d. 1955. (McGraw-Hill), by C. G. Paradine in The Mathematical Gazette Volume 41, Issue 335, February 1957, pp. 66–67 1963: (with his son) Calculus, McGraw-Hill via HathiTrust
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