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A german man named Konrad Zuse invented the Z1, which was the first binary programmable computer.
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He built the z3 , which was shown in 1941 to the Deutschen Versuchsanstalt für Luftfahrt.
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The goal of the Z4 was to build the prototype for a machine that was to be mass produced, but with few materials and the war it was impossible to do.
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Austrian engineer Curt Herzstark worked in his families manufacturing company until he was arrested by Nazis. While in-prisoned he refined his pre-war design for a calculator.
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The colossus was designed to break the ciphers used by the Nazis in WW2
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It was thought up by Howard Aiken and IBM designed and built it. It's a room sized relay-based calculator.
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It was built by John Mauchly and J. Presper. It was Electronic instead of electormechanical which gave it 1000 times faster computing time than any other computer up to that time.
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Fredrick Williams, Tom Kilburn, and Geoff Toothill made the Small Scale Experimental Machine (SSEM). It was built to test a new memory device that eventually became known as Random Access Memory, or Ram Drive
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The US Navy went to MIT for them to build a flight simulator for their pilots in WW2. MIT went with an analog approach at first but changed their directions to digital after they seen a demonstration of the ENAIC computer. It changed from a flight simulator to an air defense system also. But by it's completion the Navy lost interest in the project.
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Reachers started experiment with direct keyboard input. A ancestor to modern day keyboards
