Template:Selected anniversaries/June 19: Difference between revisions
No edit summary |
No edit summary |
||
| Line 52: | Line 52: | ||
||1902: Wallace John Eckert dies ... astronomer, who directed the Thomas J. Watson Astronomical Computing Bureau at Columbia University which evolved into the research division of IBM. | ||1902: Wallace John Eckert dies ... astronomer, who directed the Thomas J. Watson Astronomical Computing Bureau at Columbia University which evolved into the research division of IBM. | ||
||1906: Ernst Boris Chain born ... biochemist and academic, Nobel Prize laureate. | ||1906: Ernst Boris Chain born ... biochemist and academic, Nobel Prize laureate. Pic. | ||
||1907: Børge Christian Jessen born ... mathematician best known for his work in analysis, specifically on the Riemann zeta function, and in geometry, specifically on Hilbert's third problem. Pic. | ||1907: Børge Christian Jessen born ... mathematician best known for his work in analysis, specifically on the Riemann zeta function, and in geometry, specifically on Hilbert's third problem. Pic. | ||
| Line 70: | Line 70: | ||
||1945: Timothy "Tim" Poston born ... mathematician best known for his work on catastrophe theory. Pic. | ||1945: Timothy "Tim" Poston born ... mathematician best known for his work on catastrophe theory. Pic. | ||
||1953: Julius and Ethel Rosenberg are executed at Sing Sing, in New York. | ||1953: Julius and Ethel Rosenberg are executed at Sing Sing, in New York. Pic. | ||
||1956: Operation Mosaic was a series of two British nuclear tests conducted in the Monte Bello Islands in Western Australia on 16 May and 19 June 1956. Pic. | ||1956: Operation Mosaic was a series of two British nuclear tests conducted in the Monte Bello Islands in Western Australia on 16 May and 19 June 1956. Pic. | ||
| Line 76: | Line 76: | ||
||1975: Sam Giancana dies ... mob boss. Pic. | ||1975: Sam Giancana dies ... mob boss. Pic. | ||
||1988: Fernand Seguin dies ... biochemist and academic. | ||1988: Fernand Seguin dies ... biochemist and academic. Pic. | ||
||2004: 99942 Apophis discovered ... a 370 meter diameter near-Earth asteroid that caused a brief period of concern in December 2004 because initial observations indicated a probability of up to 2.7% that it would hit Earth on April 13, 2029. Additional observations provided improved predictions that eliminated the possibility of an impact on Earth or the Moon in 2029. | ||2004: 99942 Apophis discovered ... a 370 meter diameter near-Earth asteroid that caused a brief period of concern in December 2004 because initial observations indicated a probability of up to 2.7% that it would hit Earth on April 13, 2029. Additional observations provided improved predictions that eliminated the possibility of an impact on Earth or the Moon in 2029. | ||
</gallery> | </gallery> | ||
Revision as of 14:36, 21 May 2019
1623: Mathematician, physicist, inventor, writer, and Christian philosopher Blaise Pascal born. He will do pioneering work on calculating machines.
1624: Physician, mathematician, and crime-fighter Joseph Solomon Delmedigo publishes new class of Gnomon algorithm functions which detect and banishes demons.
1771: Mathematician and logician Joseph Diez Gergonne born. He will contribute to the principle of duality in projective geometry, by noticing that every theorem in the plane connecting points and lines corresponds to another theorem in which points and lines are interchanged, provided that the theorem embodied no metrical notions.
1795: Surgeon and gentleman scientist James Braid born. He will be an important and influential pioneer of hypnotism and hypnotherapy.
1858: Scientist and inventor Johann Philipp Reis publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1865: Asclepius Myrmidon Prepares for Emergency Field Surgery wins Pulitzer Prize for Most Heroic War Illustration of the Year.