Karl Guthe Jansky, American physicist and radio engineer (died 1950)

Karl Guthe Jansky 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. He is considered one of the founding figures of radio astronomy.

October 22 is the 295th day of the year in the Gregorian calendar; 70 days remain until the end of the year.