 | This article needs additional citations for verification. (April 2008) |
Richard A. Prager (November 30, 1883 – July 20, 1945) was a German-American astronomer.
| This article needs additional citations for verification. (April 2008) |
Richard A. Prager (November 30, 1883 – July 20, 1945) was a German-American astronomer.