Template:Selected anniversaries/October 3: Difference between revisions
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||1867 – Elias Howe, American engineer, invented the sewing machine (b. 1819) | ||1867 – Elias Howe, American engineer, invented the sewing machine (b. 1819) | ||
||1881 | Orson_Pratt.jpg|link=Orson Pratt (nonfiction)|1881: Mathematician and religious leader [[Orson Pratt (nonfiction)|Orson Pratt]] dies. As part of his system of Mormon theology, Pratt embraced the philosophical doctrine of hylozoism. | ||
||1891 – Édouard Lucas, French mathematician and theorist (b. 1842) | ||1891 – Édouard Lucas, French mathematician and theorist (b. 1842) | ||
Revision as of 21:19, 9 July 2017
1881: Mathematician and religious leader Orson Pratt dies. As part of his system of Mormon theology, Pratt embraced the philosophical doctrine of hylozoism.
2012: Physicist and astrophysicist Robert F. Christy dies. He is generally credited with the insight that a solid sub-critical mass of plutonium could be explosively compressed into supercriticality, a great simplification of earlier concepts of implosion requiring hollow shells.
2003: Canterbury scrying engine reprogrammed to detect and expose crimes against mathematical constants.