Philip Wadler, Professor of Theoretical Computer Science at the University of Edinburgh, contends that the foundations of computing lay in a coincidence: Church's lambda calculus (1933), Herbrand and Godel's recursive functions (1934), and Turing's machines (1935) all defined the same model of computation. He gave this lecture on the occasion ...

Barbara Liskov, Professor of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology, discusses "Programming the Turing Machine" in a lecture given on the occasion of Princeton University's centennial celebration of Alan Turing. Learn more at www.princeton.edu/turing #turingprinceton ...