William Spencer Bagdatopoulos, Exhibition, 1930, by Unknown, 1930, Smithsonian Archives - History Div, Forty two watercolors of India by William Spencer Bagdatopoulos (1889-1965), an English painter and etcher, at the National Gallery of Art, now the Smithsonian American Art Museum, in the Natural History Building, from October 30 to December 22, 1930..