John Williams Calkin[1] (11 October 1909, New Rochelle, New York – 5 August 1964, Westhampton, New York) was an American mathematician, specializing in functional analysis. The Calkin algebra is named after him.[2]
- ^ Mac Lane, Saunders (February 1997). "Requiem for the Skillful" (PDF). Notices of the AMS. 44 (2): 207–208. Mac Lane mentions Jack Calkin as one of the few mathematicians working in the Manhattan Project in Los Alamos, with John von Neumann, Stanislaw Ulam, C. J. Everett, and Paul Olum.
- ^ Calkin, John W. (1941). "Two-sided ideals and congruences in the ring of bounded operators in Hilbert space". Annals of Mathematics. 42 (4): 839–873. doi:10.2307/1968771. JSTOR 1968771.