Karl Guthe Jansky (1905–1950)
Born 1905 CE, died 1950 CE.
Karl Guthe Jansky (October 22, 1905 – February 14, 1950) was an American physicist and radio engineer who in April 1933 first announced his discovery of radio waves emanating from the Milky Way in the constellation Sagittarius. An amateur astronomer, he is considered one of the founding figures of radio astronomy.
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