Karl Jansky was not an astronomer, but a radio engineer who inadvertently made an important contribution to astronomical science. He was born in Oklahoma in 1905 and studied at the University of Wisconsin. He took a job with Bell Telephone Laboratories...

1905-1950 American radio engineer who discovered the first extraterrestrial radio source. While investigating noise in short-wave radio communications, Jansky identified a steady hiss-type static and demonstrated its source to be the center of the...

American radio engineer One of the ways modern astronomers study the Universe is by tracing light waves through telescopes; another is by studying radio waves. The man who discovered the existence of these extraterrestrial radio waves, and thus founded...

Karl Guthe Jansky (October 22, 1905 – February 14, 1950), was an American physicist and radio engineer who in August 1931 first discovered radio waves emanating from the Milky Way. He is considered one of the founding figures of radio...