On December 13, 1977, George Polya, Professor Emeritus of Mathematics at Stanford University, celebrated his 90th birthday. To mark the event, the Department of Mathematics at Stanford gave a dinner at the Stanford Faculty Club to honor him. Many friends and former students of Professor Polya's attended and tributes to his work were given by Dean Halsey Royden of Stanford, a former student of Polya's; Professor Donald Knuth of the Computer Science Department at Stanford; Professor Peter Lax, Director of the Courant Institute at New York University and president-elect of the American Mathematical Society; Jerzy Neyman, Professor of Statistics at Berkeley; and Felix Bloch, Professor Emeritus of Physics at Stanford, Nobel laureate, and a former student of Professor Polya's at the Swiss Federal Institute of Technology. Professor Gabor Szego, his long-time co-author and colleague at Stanford, though in poor health, was able to attend. Indicative of the wide influence of Professor Polya on mathematics and education was the diversity of the audience: research mathematicians who know Professor Polya as a colleague and collaborator, two-year and four-year college teachers who know him for his mathematics, his work in mathematics education and from his long association with the MAA, and high school teachers whom he taught in many teacher institutes at Stanford. Cited on this occasion were his many mathematical discoveries which as Dean Royden pointed out, will be studied by graduate students for many years to come. These discoveries span an impressive range of mathematical fields: real and complex analysis, probability, combinatorics, number theory, and geometry, among others. For these contributions he has been made a member of several national academies, including the prestigious Academie des Sciences, Paris. Professor Neyman pointed out that Polya's How to Solve It has been translated into 15 languages, Mathematical Discovery into 8. Teachers associate Professor Polya's name with these and his many other writings on problem solving and