Hanno Rund (26 October 1925 in

Schwerin Schwerin (; Mecklenburgisch dialect, Mecklenburgian Low German: ''Swerin''; Latin: ''Suerina'', ''Suerinum'') is the Capital city, capital and List of cities and towns in Germany, second-largest city of the northeastern States of Germany, German ...

– 5 January 1993 in

Tucson, Arizona , "(at the) base of the black ill , nicknames = "The Old Pueblo", "Optics Valley", "America's biggest small town" , image_map = , mapsize = 260px , map_caption = Interactive map ...

) was a German

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

. He wrote numerous publications, including perhaps his most famous, ''The Hamilton-Jacobi theory in the

calculus of variations The calculus of variations (or Variational Calculus) is a field of mathematical analysis that uses variations, which are small changes in functions and functionals, to find maxima and minima of functionals: mappings from a set of functions t ...

. Its role in mathematics and physics''. Rund received his

Ph.D A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common Academic degree, degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields ...

in 1950 from the

University of Cape Town The University of Cape Town (UCT) ( af, Universiteit van Kaapstad, xh, Yunibesithi ya yaseKapa) is a public research university in Cape Town, South Africa. Established in 1829 as the South African College, it was granted full university statu ...

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...

. In 1952, he obtained his Habilitation at the

University of Freiburg The University of Freiburg (colloquially german: Uni Freiburg), officially the Albert Ludwig University of Freiburg (german: Albert-Ludwigs-Universität Freiburg), is a public university, public research university located in Freiburg im Breisg ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. His notable students include

David Lovelock David Lovelock (born 1938) is a British theoretical physicist and mathematician. He is known for Lovelock theory of gravity and the Lovelock's theorem Lovelock's theorem of general relativity says that from a local gravitational action whic ...

and Martin Sade.

References

Books

* H. Rund, ''The Hamilton-Jacobi theory in the calculus of variations. Its role in mathematics and physics'', D. Van Nostrand Company Ltd., 1966. * H. Rund, ''The Differential Geometry of Finsler Spaces'', Springer, Berlin, 1959. *

External links

* 1925 births 1993 deaths 20th-century German mathematicians University of Cape Town alumni University of Arizona faculty German expatriates in South Africa University of Waterloo faculty University of Freiburg alumni German expatriates in Canada German expatriates in the United States {{mathematician-stub