• Source: William Prager

William Prager, before 1940 Willy Prager (23 May 1903 – 17 March 1980), was a German-born American applied mathematician. In the field of mechanics he is well known for the Drucker–Prager yield criterion.




Biography


Willy Prager was born on 23 May 1903 in Karlsruhe. He studied civil engineering at the Technische Universität Darmstadt and received his diploma in 1925. He received his doctorate in 1926 and worked as a research assistant in the field of mechanics from 1925 to 1929. From 1927 to 1929 he habilitated. He was a deputy director at University of Göttingen, professor at Karlsruhe, University of Istanbul, the University of California, San Diego and Brown University, where he advised Bernard Budiansky. Prager was also on a sabbatical at IBM's research lab in Zürich.
He died on 17 March 1980 in Zürich.
The Society of Engineering Science has awarded the William Prager Medal in Solid Mechanics since 1983 in his honor. In 1957, he received a Guggenheim Fellowship.




Works


Beitrag zur Kinematik des Raumfachwerks, 1926, dissertation
Dynamik der Stabwerke (with K. Hohenemser), 1933
Mechanique des solides isotropes, 1937
Prager, William; Hodge, Philip G. Jr. (1951). Theory of Perfectly Plastic Solids. John Wiley & Sons. LCCN 51-012695.
Prager, William (1961). Introduction to Mechanics of Continua. Ginn and Company.




See also


Plastic limit theorems




References






External links


William Prager - Encyclopedia Brunoniana - Brown University
References for William Prager
Mac Tutor Bio for William Prager
William Prager at the Mathematics Genealogy Project

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