Date | Text | |
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18 Apr 1734
Elsa Beata Bunge |
birth Elsa Beata Bunge Elsa Beata Bunge, Swedish botanist (died 1819) |
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18 Apr 1802
Erasmus Darwin |
death Erasmus Darwin Erasmus Darwin, English author of Zoonomia (born 1731) |
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18 Apr 1873
Justus von Liebig |
death Justus von Liebig Justus von Liebig (born 1803), chemist |
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18 Apr 1905
William Bateson |
William Bateson (biology) William Bateson coins the term "genetics" in a letter to Adam Sedgwick. |
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18 Apr 1905
George H. Hitchings |
birth George H. Hitchings George H. Hitchings (died 1998), scientist, Nobel laureate in Medicine |
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18 Apr 1906
San Francisco earthquake |
San Francisco earthquake (geology) The San Francisco earthquake, an estimated 7.9 on the Richter scale and centered on the San Andreas fault, strikes near San Francisco, California. The earthquake and fire destroy over 80% of the buildings in the city, and kill as many as 6,000 people. Harry Fielding Reid devizes the elastic-rebound theory to account for earthquake mechanism. |
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18 Apr 1911
Maurice Goldhaber |
birth Maurice Goldhaber Maurice Goldhaber (died 2011), Austrian-born physicist. |
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18 Apr 1916
Peter Nissen |
Peter Nissen (technology) Capt. Peter Nissen completes the prototype Nissen hut. |
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18 Apr 1917
Brian Harold Mason |
birth Brian Harold Mason Brian Harold Mason (died 2009), New Zealand born geochemist and mineralogist who was one of the pioneers in the study of meteorites. |
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18 Apr 1934
Citroën Traction Avant |
Citroën Traction Avant (technology) Citroën Traction Avant introduced, the world's first front-wheel drive monocoque (welded steel unit body) production automobile, designed by André Lefèbvre and Flaminio Bertoni. |
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18 Apr 1947
Mrs. Ples |
Mrs. Ples (paleontology) "Mrs. Ples" (STS 5), the most complete skull of an Australopithecus africanus specimen ever found in South Africa, is discovered at Sterkfontein by Robert Broom and John T. Robinson. |
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18 Apr 1948
Yasumasa Kanada |
birth Yasumasa Kanada Yasumasa Kanada, Japanese mathematician. |
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18 Apr 1955
Albert Einstein |
death Albert Einstein Albert Einstein (born 1879), German-born winner of the 1921 Nobel Prize in Physics. |
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18 Apr 2002
insects |
insects (biology) New suborder of insects, Mantophasmatidae, announced. |
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18 Apr 2002
Thor Heyerdahl |
death Thor Heyerdahl Thor Heyerdahl (b. 1914), explorer, led the Kon-Tiki expedition. |