M. H. Moynihan in field in Colombia, by Smith, Neal Griffith 1937-, 1969, Smithsonian Archives - History Div, Martin H. Moynihan, conducting field work in the upper woods of Purace Park, Colombia, in June 10, 1969, appears to be using binoculars and has a big canvas bag over his shoulder. Moynihan was an ethologist and in 1957 became Resident Naturalist and Director (1959-1973) of a small field station on Barro Colorado Island, Panama, later named the Smithsonian Tropical Research Institute..