| Date | Text | |
|---|---|---|
19 Apr 1739
Nicholas Saunderson |
death Nicholas Saunderson Nicholas Saunderson, English scientist and mathematician (born 1682) |
|
19 Apr 1801
Gustav Fechner |
birth Gustav Fechner Gustav Fechner, German psychologist (died 1887) |
|
19 Apr 1813
Benjamin Rush |
death Benjamin Rush Benjamin Rush, Founding Father of the United States, chemist and physician (born 1746) |
|
19 Apr 1882
Charles Darwin |
death Charles Darwin Charles Darwin (born 1809), geologist and naturalist. |
|
19 Apr 1889
Warren De La Rue |
death Warren De La Rue Warren De La Rue (born 1815), British astronomical photographer. |
|
19 Apr 1906
Pierre Curie |
death Pierre Curie Pierre Curie (born 1859), French winner of the Nobel Prize in Physics. |
|
19 Apr 1912
Glenn T. Seaborg |
birth Glenn T. Seaborg Glenn T. Seaborg (died 1999), American physical chemist, winner of the Nobel Prize in Chemistry. |
|
19 Apr 1915
Thomas Clouston |
death Thomas Clouston Sir Thomas Clouston (born 1840), Scottish psychiatrist. |
|
19 Apr 1935
Alonzo Church |
Alonzo Church (mathematics) Alonzo Church presents his paper "An unsolvable problem of elementary number theory", introducing his theorem on the Entscheidungsproblem, to the American Mathematical Society. |
|
19 Apr 1956
Anne Glover |
birth Anne Glover Anne Glover, Scottish biologist. |
|
19 Apr 1965
Gordon Moore |
Gordon Moore (computer science) Gordon Moore describes the exponential growth trend in computing power which will become known as Moore's law. |
|
19 Apr 1975
Aryabhata |
Aryabhata (astronomy and space ) Aryabhata, India's first satellite, is launched using Soviet boosters. |
|
19 Apr 2004
Partial solar eclipse |
Partial solar eclipse (astronomy) Partial solar eclipse. |
|
19 Apr 2004
John Maynard Smith |
death John Maynard Smith John Maynard Smith (b. 1920), evolutionary biologist and geneticist. |
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