Mauna Loa Observatory staff members and visitors in February 1972. Back row: Visitor (?), Charles Garcia.,Bernard Mendonca, Dick Proulx, Visitor (?), and Earl Barrett. Front row: Visitor (?), Eric Yasukawa, Barry Bodhaine, Walter Komhyr, John Chin, Bob Grass, and Al Shibata. The front dome houses the Dobson spectrophotometer. The NCAR coronagraph is in the rear dome.