Zuse

Computer History: 1936 to 1946 + 1 (Hopper and Her Bug: 1947)

By HandL

  • Conrad Zuse: S2 Computing Cachine

    Zuse creates the first electronic calculating machine, called the S2 Computing Machine.
  • Alan Turing publishes landmark paper, "On Computable Numbers"

    Alan Turing publishes landmark paper, "On Computable Numbers"

    This paper was a mathmatical outline describing what Turing called a Universal Machine. It would eventually be referred to as a Turing Machine,
  • Howard Aiken: IBM

    Howard Aiken: IBM

    In 1937 Howard Aiken proposes the production of an automated calculating machine to IBM.
  • Z1 by Zuse

    Z1 by Zuse

    Zuse completes the first binary programable computer. Non-electric and fully mechanical, this was built in his parent's apartment in Berlin.
  • Harvard Mark I

    Harvard Mark I

    Aiken's automated calculating machine, built by IBM and Harvard is completed. Named the Harvard Mark I, it is also known to have contributed to the making of the atomic bomb
  • Grace Hopper finds first "bug"

    Grace Hopper finds first "bug"

    Grace Hopper, one of the first computer programers who assisted in the making and running of the Harvard Mark I found a moth within the system causing problems. She coined the term "de-bugging".