Template:Selected anniversaries/November 17: Difference between revisions

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||1940: Raymond Pearl dies ... biologist and academic ... eugenics, biostatistics.
||1940: Raymond Pearl dies ... biologist and academic ... eugenics, biostatistics.
||1947: Emil Racoviță dies ... biologist, zoologist, speleologist, academic, explorer of Antarctica and the first biologist study arctic life. Pic.


||1947: American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
||1947: American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.

Revision as of 06:23, 29 March 2019