![July 20, 2020, Wheaton, Illinois, USA: July 20, 2020 - FILE: Wheaton, Illinois, U.S. - GROTE REBER (December 22, 1911 - December 20, 2002) shown at age 73 during a visit to July 20, 2020, Wheaton, Illinois, USA: July 20, 2020 - FILE: Wheaton, Illinois, U.S. - GROTE REBER (December 22, 1911 - December 20, 2002) shown at age 73 during a visit to](https://c8.alamy.com/comp/2C82380/july-20-2020-wheaton-illinois-usa-july-20-2020-file-wheaton-illinois-us-grote-reber-december-22-1911-december-20-2002-shown-at-age-73-during-a-visit-to-his-hometown-of-wheaton-illinois-holds-a-scale-model-of-his-first-radio-telescope-in-may-1986-reber-built-the-worlds-first-radio-telescope-in-a-wheaton-backyard-in-1937-after-att-physicist-karl-jansky-discovered-radio-waves-from-space-rebers-1937-radio-antenna-was-the-second-ever-to-be-used-for-astronomical-purposes-and-the-first-parabolic-reflecting-antenna-to-be-used-as-a-radio-telescope-for-nearly-a-decade-he-wa-2C82380.jpg)
July 20, 2020, Wheaton, Illinois, USA: July 20, 2020 - FILE: Wheaton, Illinois, U.S. - GROTE REBER (December 22, 1911 - December 20, 2002) shown at age 73 during a visit to
![Cosmic Search Issue 13 Page 14 - The First 50 Years of Radio Astronomy, Part 2: Grote Reber and the First Radio Maps of the Sky by John Kraus Cosmic Search Issue 13 Page 14 - The First 50 Years of Radio Astronomy, Part 2: Grote Reber and the First Radio Maps of the Sky by John Kraus](http://www.bigear.org/CSMO/Images/CS13/cs13p14l.jpg)
Cosmic Search Issue 13 Page 14 - The First 50 Years of Radio Astronomy, Part 2: Grote Reber and the First Radio Maps of the Sky by John Kraus
Starscapes - Explore the Universe - Grote Reber, born on 22nd of December 1911, was a U.S based amateur astronomer and radio engineer who built the first radio telescope. He pioneered the
![Cosmic Search Issue 13 Page 14 - The First 50 Years of Radio Astronomy, Part 2: Grote Reber and the First Radio Maps of the Sky by John Kraus Cosmic Search Issue 13 Page 14 - The First 50 Years of Radio Astronomy, Part 2: Grote Reber and the First Radio Maps of the Sky by John Kraus](http://www.bigear.org/CSMO/Images/CS13/cs13p17al.gif)