This carefully compiled and wide-ranging volume of papers written by computer pioneers offers first-hand insight into the research and discovery experiences of legendary scientists such as Hoare, Hartmanis, Stearns, Backus, and Knuthr. Coupled with introductory, essays, written by the originating authors where possible, these papers are an ideal source of background research and technical reference. Collectively, they illustrate the impact of pioneering work on the field of modern computer science. They are an excellent companion to undergraduate computer science courses.