Robert G. Goelet, the eighth president of the American Museum of Natural History; president of the New-York Historical Society and the French Institute/Alliance Francaise; an ex-president (and continuing trustee) of the New York Zoological Society; and an ex-treasurer (and former director) of the National Audubon Society. He is also president and director of the Goelet Realty Company; vice-president and director of the Goelet Estate Company; chairman of the board of the Rhode Island Corporation, a family holding company; and the fifth Goelet on the board of the Chemical Bank. On Sutton Place he lives in a double house, 40 feet wide, that looks out on the East River across a lawn and garden. For 52 years he was a bachelor, but last month he married Alexandra Gardiner Creel. He is curious and knowledgeable about birds, insects, plants, fossils, geology, and all kinds of animals. He has studied nature by observation, in many parts of the world. He has made 14 trips to Argentina, and a movie of Argentine wildlife, with a Spanish sound track, and, under the title “From the Pampas to Patagonia,” with an English sound track.