PDP 1 Lecture

This document is a transcript of a lecture and panel discussion about the PDP-1 computer. The lecture begins with Jack Gilmore introducing the series and himself, then acknowledging several prominent figures in attendance, including John McCarthy and Marvin Minsky. He highlights the thirtieth anniversary of the PDP-1 and welcomes members of the press. The discussion then turns to early graphics work on the TX-0 and PDP-1, mentioning Ben Gurley and Ivan Sutherland. Steven Levy, author of "Hackers," introduces the panelists, emphasizing the PDP-1's significance. Jack Dennis then begins by discussing the arrival of the TX-0 at MIT in 1959 and its role as a laboratory tool, contrasting it with the batch processing of the IBM 704. He details the TX-0's memory limitations and the development of a 5-bit instruction set. Software developments, including an interactive debugger called Flit and a macroassembly language program, are also discussed. The advent of the PDP-1 at MIT, as a gift from DEC, is mentioned, along with the development of a time-sharing system for it. The discussion highlights the PDP-1's early contributions to interactive computing, graphics, and the development of time-sharing. Other speakers like Ed Fredkin, Steve Russell, Shag Graetz, Dave Gross, Marvin Minsky, John McCarthy, Richard Greenblatt, and Ted Johnson share their experiences and recollections related to the PDP-1, its impact, and the broader history of computing at the time. Topics covered include the development of Spacewar!, the early days of Digital Equipment Corporation (DEC), the challenges of programming, and the evolution of computer architecture and software. The transcript also touches upon the cultural aspects of computing at MIT, including the "hackers" and the influence of the Model Railroad Club. The lectures conclude with reflections on the PDP-1's legacy and its lasting influence on the field of computing.