William Prager

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

William Prager
Born
William Prager

(1903-05-23)23 May 1903
Karlsruhe, Germany
Died17 March 1980(1980-03-17) (aged 76)
Zürich, Switzerland
Known forPrager consistency condition
Prager trusses
Drucker–Prager yield criterion
Viscoplasticity
AwardsTimoshenko Medal (1966)
Theodore von Karman Medal (1960)
Guggenheim Fellowship (1957)
Scientific career
FieldsApplied mathematics
Mechanics
InstitutionsBrown University
Istanbul University
University of California
University of Göttingen

Willy Prager studied civil engineering at the Technische Universität Darmstadt and received his diploma in 1925.[1] He received his doctorate in 1926 and worked as a research assistant in the field of mechanics from 1925 to 1929.[1] From 1927 to 1929 he habilitated.[1] 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 Zurich.[2]

The Society of Engineering Science has awarded the William Prager Medal in Solid Mechanics since 1983 in his honor.[3] In 1957, he received a Guggenheim Fellowship.[4]

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.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • Prager, William (1961). Introduction to Mechanics of Continua. Ginn and Company.

See also

References
  1. "Willy (William) Prager" (PDF). Karlsruhe Institute of Technology. Retrieved 22 March 2022.
  2. Speiser, Ambros (1988). "IBM Research Laboratory Zurich: The Early Years". IEEE Annals of the History of Computing. 20: 15–28. doi:10.1109/85.646205.
  3. William Prager Medal
  4. "John Simon Guggenheim Foundation | William Prager". Retrieved 2019-09-16.


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