Return Today in the History of  Science, Math, Invention & Technology Return


1730 Jan Ingenhousz (Dutch Physician, Chemist, Engineer; Pioneer in the Study of Photosynthesis in Plants) Jan Ingenhousz Photosynthesis
1765 Eli Whitney (Massachusetts-born Inventor, Manufacturer Who Perfected the Cotton Gin) Eli Whitney Inventors & Invention Farming & Agriculture
1947 Thomas Robert Cech (Chicago-born 1989 Nobel Laureate for Chemistry) Chicago Scientists & Mathematicians RNA 1989 Nobel Laureate for Chemistry
Persons of Historic Significance Who Have Died on This Date
1864 George Boole (English Mathematician: Namesake of Boolean Logic) George Boole Mathematics
1917 John F. Appleby (Wisconsin Inventor of the Twine-Binder) Wisconsin Scientists & Inventors Inventors and Inventions Wisconsin Historical Society
1812 Earthquake Destroys the San Juan Capistrano Church Killing 40 People Inside California California Missions Earthquake Death San Juan Capistrano Historical Society USGS
1845 German Astronomer Karl Ludwig Hencke Discovers the 5th Asteroid: Astraea German Scientists and Mathematicians Asteroids NASA
1896 U.S. Patent Issued to J.T. White for an Improved Lemon Squeezer Patents and Trademarks Inventors & Inventions Foods & Nutrition African-American Scientists & Inventors
1931 Lloyd Espenschied and Herman Affel of AT&T Receive U.S. Patent No. 1,835,031 for Coaxial Cable Patents and Trademarks Television History of Technology
1945 Toyota Motor Company Restarts Japan's Auto Industry Producing Buses & Trucks Japan Automobiles Toyota History Channel
1953 President Eisenhower's "Atoms for Peace" Speech Proposes International Atomic Energy Agency President Dwight Eisenhower Atomic Energy Eisenhower Presidential Library
1976 5.2 Magnitude Earthquake Kills Four in South Africa South Africa Earthquake Death USGS
1987 U.S. and Soviets Sign First Treaty to Reduce Nuclear Arsenals Mikhail Gorbachev Ronald Reagan 1987 Arms Reduction Treaty Historic Firsts History Channel BBC
1990 5.2 Magnitude Earthquake Kills Four in South Africa South Africa Earthquake Death USGS
Galileo Spacecraft Makes Its First Flyby of Earth on Its Way to Jupiter Space Exploration Earth Jupiter NASA
1991 Florida's Kimberly Bergalis Dies of AIDS Contracted from Her Dentist Florida Health Care Professionals AIDS Death Historic Firsts New York Times
1993 NASA Launches a Second NATO Encrypted Communications Satellite NATO Communications Technology NASA
1994 German Scientists Create Four Atoms of Element 111 Lasting .004s Germany Unununium WebElements

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