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Science on the 22nd of April in history

Science

Date	Type	Text
22 Apr 1592 Wilhelm Schickard	science	birth Wilhelm Schickard Wilhelm Schickard, German inventor of the first mechanical calculator (died 1635)	0
22 Apr 1662 John Tradescant the Younger	science	death John Tradescant the Younger John Tradescant the Younger, English botanist (born 1608)	0
22 Apr 1692 James Stirling	science	birth James Stirling James Stirling, mathematician (died 1770)	0
22 Apr 1758 Antoine de Jussieu	science	death Antoine de Jussieu Antoine de Jussieu, French naturalist (born 1686)	0
22 Apr 1833 Richard Trevithick	science	death Richard Trevithick Richard Trevithick (born 1771), engineer and inventor.	0
22 Apr 1840 Thomas Clouston	science	birth Thomas Clouston Thomas Clouston (died 1915), psychiatrist.	0
22 Apr 1876 Robert Bárány	science	birth Robert Bárány Robert Bárány (died 1936), Nobel Prize winner in medicine.	0
22 Apr 1904 J. Robert Oppenheimer	science	birth J. Robert Oppenheimer J. Robert Oppenheimer (died 1967), American physicist.	0
22 Apr 1909 Rita Levi-Montalcini	science	birth Rita Levi-Montalcini Rita Levi-Montalcini (died 2012), Italian Jewish neurologist, recipient of the Nobel Prize in Physiology or Medicine.	0
22 Apr 1922 Wolf V. Vishniac	science	birth Wolf V. Vishniac Wolf V. Vishniac (died 1973), American microbiologist.	0
22 Apr 1929 Michael Atiyah	science	birth Michael Atiyah Michael Atiyah, British mathematician.	0
22 Apr 1951 Horace Donisthorpe	science	death Horace Donisthorpe Horace Donisthorpe (born 1870), English entomologist.	0
22 Apr 1953 Jan Czochralski	science	death Jan Czochralski Jan Czochralski, Polish-German discoverer of the Czochralski process for growing crystals (b. 1885).	0
22 Apr 1984 Robert Gallo	science	Robert Gallo (physiology and medic) Dr. Robert Gallo and Margaret Heckler of United States Public Health Service announce the discovery of HTLV-III as the virus that causes AIDS.	0
22 Apr 1986 Honor Fell	science	death Honor Fell Dame Honor Fell (b. 1900), English biologist.	0
22 Apr 1993 Mosaic	science	Mosaic (computer science) Release of version 1.0 of the Mosaic Web browser, devised by Marc Andreessen and Eric Bina in the United States.	0
22 Apr 2004 Trees	science	Trees (earth sciences) Trees have a theoretical maximum height of 130m (426 ft) before gravity restricts their growth, according to a study published in Nature.	0

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