When, by Whom, and by What Means Was the First

When, by whom, and by what means was the first quasar detected?

A) in 1944 by Reber with a small radio telescope
B) in 1951 by Baade and Minkowski with the 200-inch Hale telescope on Mount Palomar
C) in 1992 by Zeeman with the Hubble Space Telescope
D) in 1955 by a British team using the Cambridge radio telescope