Doc Ewen

Doc Ewen: The Horn, HI, and Other Events in US Radio Astronomy

by Doc Ewen, © 2003


Slide 15: Detecting the Interstellar Hydrogen Line, 1951

[Grant award letter]

Grant award letter, February 28, 1950: the check is in the mail! Program kickoff, March 1950. Program completion, March 1951. [Photo courtesy of Doc Ewen]

Slide 16
Modified on by Ellen Bouton