[Heeschen 1962]
David S. Heeschen, 1962. NRAO/AUI image.


[Heeschen at VLA 10th anniversary, October 1990]
Heeschen speaking at VLA 10th anniversary celebration, October 10, 1990. (NRAO/AUI image).


[Heeschen at 140ft 30th birthday, 1995]
Heeschen at the 140ft 30th birthday, 1995. (NRAO/AUI image)


[Heeschen at NRAO 50th anniversary symposium, 2007]
Heeschen at NRAO 50th Anniversary Symposium, June 2007. NRAO/AUI image