Ernst Gabor Straus (February 25, 1922 – July 12, 1983) was a German-American mathematician of Jewish origin who helped found the theories of Euclidean Ramsey theory and of the arithmetic properties of analytic functions. His extensive list of co-authors includes Albert Einstein, Paul Erdős, Richard Bellman, Béla Bollobás, Sarvadaman Chowla, Ronald Graham, Lee Albert Rubel, Mathukumalli V Subbarao, László Lovász, Carl Pomerance, Moshe Goldberg, and George Szekeres. Source: Wikipedia (en)