Commissioned 1962-63 by the International Nickel Corporation; National Bureau of Standards, U.S.Department of Commerce, Gaithersburg, Md.; transferred 1988 to NPG Note: Commissioned posthumously, from photographs. The artist, letter 12 June 1988 to Robert G. Stewart, NPG. National Portrait Gallery, Smithsonian Institution; transfer from the National Bureau of Standards, Department of Commerce; gift of the International Nickel Corporation, 1984
