Monthly Archives: August 2014

Fred Whipple and the Dirty Snowballs

Fred Whipple and the Dirty Snowballs

Fred Whipple (1906-2004) On August 30, 2004, American astronomer Fred Lawrence Whipple passed away. Amongst his achievements, he discovered some asteroids and comets, came up with the “dirty snowball” cometary hypothesis, and designed the Whipple shield. Fred Whipple was born on November 5, 1906, in Red Oak, Iowa, as the son…
Man Ray and the Art of Photograms

Man Ray and the Art of Photograms

Portrait of Man Ray and Salvador Dali, Paris by Carl Van Vechten On August 27, 1890, American modernist artist and photographer Emmanuel Radnitzky was born, better known as Man Ray. A significant contributor to the Dadaist and Surrealist movement, Man Ray produced major works in a variety of media but considered…
Lee De Forest and the Audion

Lee De Forest and the Audion

Lee De Forest with two of his tubes On August 26, 1873, American inventor Lee de Forest was born. He is credited more than 180 patents. In 1906, de Forest invented the Audion, the first triode vacuum tube and the first electrical device which could amplify a weak electrical signal and make…
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