Template:Selected anniversaries/July 14: Difference between revisions

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||1907 – William Henry Perkin, English chemist and academic (b. 1838)
||1907 – William Henry Perkin, English chemist and academic (b. 1838)
||Gertrude Scharff Goldhaber (b. July 14, 1911) was a German-born Jewish-American nuclear physicist. Goldhaber studied neutron-proton and neutron-nucleus reaction cross sections in 1941, and gamma radiation emission and absorption by nuclei in 1942. Around this time she also observed that spontaneous nuclear fission is accompanied by the release of neutrons — a result that had been theorized earlier but had yet to be shown. Pic.


||1911 – Harry Atwood, an exhibition pilot for the Wright brothers, lands his airplane at the South Lawn of the White House. He is later awarded a Gold medal from U.S. President William Howard Taft for this feat.
||1911 – Harry Atwood, an exhibition pilot for the Wright brothers, lands his airplane at the South Lawn of the White House. He is later awarded a Gold medal from U.S. President William Howard Taft for this feat.

Revision as of 19:40, 26 March 2018