From the University of Washington Libraries. Special Collections Division: Cornelius Lanczos was a Hungarian physicist and mathematician who had a profound impact on the foundations of 20th century science. His papers cover a vast array of disciplines, including general relativity, quantum mechanics, scientific computation, applied mathematics and numerical analysis. Lanczos spent the year of 1944 working for the Boeing Aircraft Company and, in 1946, he resigned his post in Purdue to take up a permanent appointment with Boeing until 1949. There he worked on applications of mathematics to aircraft design and was able to develop new numerical methods to solve the problems.