End of Operation Moonwatch Observed at SAO Luncheon, , Smithsonian Institution Archives, The end of Operation Moonwatch was observed by (from left) Albert Werner, last chief of the program; Fred L. Whipple, former director of the Smithsonian Astrophysical Observatory and founder of the Baker-Nunn tracking network and Moonwatch; Frederick C. Durant III, Assistant Director of the Department of Astronautics, National Air and Space Museum; Mrs. Grace Spitz, widow of Armand Spitz, planetarium designer and consultant to SAO; and David Challinor, Assistant Secretary for Science. Fred Durant is holding an original Moonwatch telescope donated to the museum by SAO..