deaths
Harold Eugene Edgerton, American engineer and academic (born 1903)
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Doc Edgerton
American engineer and inventor (1903-1990)
Harold Eugene "Doc" Edgerton, also known as Papa Flash, was an American scientist and researcher, a professor of electrical engineering at the Massachusetts Institute of Technology. He is largely credited with transforming the stroboscope from an obscure laboratory instrument…Source: Wikipedia (CC BY-SA)
January 4
Day of the year
January 4 is the fourth day of the year in the Gregorian calendar; 361 days remain until the end of the year.Source: Wikipedia (CC BY-SA)