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Menahem Max Schiffer (24 September 1911, Berlin – 11 November 1997)) was a German-born American mathematician who worked in complex analysis, partial differential equations, and mathematical physics.


Biography

Schiffer studied physics from 1930 at the
University of Bonn The Rhenish Friedrich Wilhelm University of Bonn (german: Rheinische Friedrich-Wilhelms-Universität Bonn) is a public research university located in Bonn, North Rhine-Westphalia, Germany. It was founded in its present form as the ( en, Rhine ...
and then at the Humboldt University of Berlin with a number of famous physicists and mathematicians including Max von Laue, Erwin Schrödinger, Walter Nernst, Erhard Schmidt, Issai Schur and Ludwig Bieberbach. In Berlin he worked closely with Issai Schur. In 1934 Schiffer had his first mathematical publication. After the National Socialist regime removed Schur and many others from their academic posts, Schiffer, as a Jew, immigrated to British-controlled Palestine. On the basis of his 1934 mathematical publication, Schiffer received from the
Hebrew University of Jerusalem The Hebrew University of Jerusalem (HUJI; he, הַאוּנִיבֶרְסִיטָה הַעִבְרִית בִּירוּשָׁלַיִם) is a public university, public research university based in Jerusalem, Israel. Co-founded by Albert Einstein ...
his master's degree in 1934. He received there his doctorate in 1938 under Michael Fekete with thesis ''Conformal representation and univalent functions''. In his dissertation he introduced the "Schiffer variation", a variational method for handling geometric problems in complex analysis. (He also introduced another important variational method.) In September 1952, he became a professor at Stanford University, as part of a Jewish refugee group of outstanding mathematical analysts, including George Pólya, Charles Loewner, Stefan Bergman, and Gábor Szegő. With Paul Garabedian, Schiffer worked on the
Bieberbach conjecture In complex analysis, de Branges's theorem, or the Bieberbach conjecture, is a theorem that gives a necessary condition on a holomorphic function in order for it to map the open unit disk of the complex plane injectively to the complex plane. It was ...
with a proof in 1955 of the special case n=4. He was a speaker (but not in the category of an Invited Speaker) at the International Congress of Mathematicians (ICM) in 1950 at Cambridge, Massachusetts, and was a
plenary speaker at the ICM Plenary is an adjective related to the noun plenum carrying a general connotation of fullness. Plenary may also refer to: *Plenary session or meeting, the part of a conference when all members of all parties are in attendance **Plenary speaker, ...
in 1958 at Edinburgh with plenary address ''Extremum Problems and Variational Methods in Conformal Mapping''. In 1970 he was elected to the United States National Academy of Sciences. He retired from Stanford University as professor emeritus in 1977. In 1981, Schiffer became a founding member of the
World Cultural Council The World Cultural Council is an international organization whose goals are to promote cultural values, goodwill and philanthropy among individuals. The organization founded in 1981 and based in Mexico, has held a yearly award ceremony since 198 ...
. Upon his death he was survived by his wife Fanya Rabinivics Schiffer, whom he married in 1937, and their daughter Dinah S. Singer, an experimental immunologist.


Selected publications

*with Leon Bowden
The role of mathematics in science
Mathematical Association of America 1984 *with Stefan Bergman: Kernel functions and elliptic differential equations in mathematical physics, Academic Press 1953 *with Donald Spencer: Functionals of finite Riemann Surfaces, Princeton 1954 *with Ronald Adler, Maurice Bazin: Introduction to General Relativity, McGraw Hill 1965 xvi+ 451 pp. Illus.


References


External links

* {{DEFAULTSORT:Schiffer, Menahem Max 1911 births 1997 deaths 20th-century American mathematicians Founding members of the World Cultural Council Mathematical analysts Jewish scientists Hebrew University of Jerusalem alumni Stanford University Department of Mathematics faculty Members of the United States National Academy of Sciences German emigrants to the United States