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Space History for April 18

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1911
J. Helffrich discovered asteroid #713 Luscinia.

1915
M. Wolf discovered asteroids #806 Gyldenia and #807 Ceraskia.

1933
G. Neujmin discovered asteroid #1277 Dolores.

1938
Born, Edward Cleveland 'Pete' Aldridge Jr. (at Houston, Texas, USA), payload specialist astronaut candidate, US Secretary of the Air Force (8 April 1986 - 16 December 1988)
https://en.wikipedia.org/wiki/Edward_C._Aldridge,_Jr.

1945
Died, Sir Ambrose Fleming, physicist

Sir John Ambrose Fleming (sometimes also listed as Ambrose J. Fleming, 29 November 1849 - 18 April 1945) was a British electrical engineer and physicist. In November 1904 he invented and patented the two-electrode radio rectifier, which he called the oscillation valve. It was also called a thermionic valve, vacuum diode, kenotron, thermionic tube, or Fleming valve. This invention is often considered to have been the beginning of electronics.

1952
A. Schmitt discovered asteroid #1614 Goldschmidt.

1955
Died, Albert Einstein, German/American theoretical physicist (Relativity, Nobel 1921 "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect")
https://www.nobelprize.org/prizes/physics/1921/einstein/biographical/

1957
La Plata Observatory discovered asteroid #2307 Garuda.
http://markandrewholmes.com/garuda.html

1963
Dr. James Campbell reported to the Harvey Cushing Society in Philadelphia, Pennsylvania on performing the first human nerve transplant from one individual to another.
https://news.google.com/newspapers?nid=1917&dat=19630420&id=oe8qAAAAIBAJ&sjid=1IgFAAAAIBAJ&pg=2410,3592748

1972
T. Smirnova discovered asteroids #1902 Shaposhnikov, #2192 Pyatigoriya and #2250 Stalingrad.

1982
M. Watt discovered asteroid #2687.

1983
N. G. Thomas discovered asteroid #2933 Amber, #3151 Talbot and #3561 Devine.

1986 10:45:00 PST (GMT -8:00:00)
A Titan 34D carrying a KH-11 spy satellite exploded seconds after liftoff from Vandenberg Air Force Base, the second Titan/KH-11 failure in less than 8 months.

Titan rocket explosion (most probably the Titan-34D on 18 April 1986, Vandenberg AFB)
Source: Wikipedia
https://www.nytimes.com/1986/04/19/us/titan-rocket-explodes-over-california-air-base.html

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