Hungarian-born American mathematician Born in Budapest, died in America. In my youth, I studied mathematics, physics and philosophy in Budapest, Vienna, Paris and other places, and obtained my doctorate. 19 14 teaches at Zurich University of Technology, Switzerland, and 1938 is the dean of the School of Mathematics and Science. From 65438 to 0940, he moved to the United States and worked as a professor at Brown University and Stanford University. 1963 won the Meritorious Award of American Mathematical Society. He is an academician of French Academy of Sciences, American National Science Park and Hungarian Academy of Sciences. He has written How to Solve Problems, Discovery of Mathematics, Mathematics and Guess, etc. They have been translated into many languages and spread widely.