Template:Selected anniversaries/February 19: Difference between revisions
No edit summary |
No edit summary |
||
| Line 55: | Line 55: | ||
||1976 – Executive Order 9066, which led to the relocation of Japanese Americans to internment camps, is rescinded by President Gerald Ford's Proclamation 4417. | ||1976 – Executive Order 9066, which led to the relocation of Japanese Americans to internment camps, is rescinded by President Gerald Ford's Proclamation 4417. | ||
||Wilhelm Otto Ludwig Specht (b. 22 September 1907) was a German mathematician who introduced Specht modules. He also proved the Specht criterion for unitary equivalence of matrices. Pic. | |||
||1988 – André Frédéric Cournand, French-American physician and physiologist, Nobel Prize laureate (b. 1895) | ||1988 – André Frédéric Cournand, French-American physician and physiologist, Nobel Prize laureate (b. 1895) | ||
Revision as of 06:59, 24 March 2018
1473: Mathematician and astronomer Nicolaus Copernicus born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.
1600: The Peruvian stratovolcano Huaynaputina explodes in the most violent eruption in the recorded history of South America.
1799: Mathematician, physicist, and sailor Jean-Charles de Borda dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.
1897: Mathematician and academic Karl Weierstrass dies. He will be cited as the "father of modern analysis".
1937: Physicist and crime-fighter Maria Goeppert-Mayer publishes mathematical model for the structure of nuclear shells which detects and prevents crimes against physical constants.
2015: Extract of Radium sponsors re-enactment of the Peruvian stratovolcano Huaynaputina.
2016: Novelist, literary critic, and philosopher Umberto Eco dies. He cited James Joyce and Jorge Luis Borges as the two modern authors who have influenced his work the most.
2017: Steganographic analysis of Alice Beta Paragliding reveals encrypted data "almost certainly related to secret programs within the ENIAC program."
2017: Mathematician and dissident Igor Shafarevich dies. He made fundamental contributions to algebraic number theory, algebraic geometry, and arithmetic algebraic geometry.