1932 – The US Patent Office received a patent application for the cyclotron by Ernest Orlando Lawrence as a “Method and Apparatus for the Acceleration of Ions.”
1949 – The Hale telescope at Palomar Observatory saw first light under the direction of Edwin Hubble, becoming the largest aperture optical telescope. Hubble photographed Hubble’s Variable Nebula (NGC 2261).
1983 – Lotus began selling its spreadsheet application for Microsoft DOS, called 1-2-3. It would quickly become the most popular spreadsheet software but not make the transition to Windows well and fall behind Excel permanently.
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