Albert Einstein with (L to R): James Alexander, Marston Morse, Frank Aydelotte, Hermann Weyl, Oswald Veblen

From left to right, James Alexander, Marston Morse, Albert Einstein, Frank Aydelotte, Hermann Weyl, and Oswald Veblen meeting in Fuld Hall on the campus of the Institute for Advanced Study in Princeton, New Jersey. Frank Aydelotte was the Director of the Institute for Advanced Study. The remaining people pictured were on the Faculty of the Institute's School of Mathematics.