Ralph Humphrey, charcoal on paper, 1964, Ralph Humphrey (American; 1932-1990), "Square", pencil signed and dated lower right, framed under plexiglass, 16"h x 14"w (sheet)

Provenance: Property from the Collection of Dr. Leonard D. Hamilton

Notes/Literature: Leonard D. Hamilton studied at Balliol College, Oxford, and Trinity College, Cambridge, before moving to the US in 1949. He was a brilliant researcher who played an important role in the discovery of the structure of DNA. A keen art collector, Dr. Hamilton owned works by the likes of Whistler, Matisse, Picasso and Candido Portinari.

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