The subject of this painting is Samuel Eilenberg (Warsaw 1913–1998 New York), a mathematician who was a professor at Columbia University for much of his career. He was also a prominent collector of Asian art, much of which was donated to The Metropolitan Museum of Art.
Inscription: Signed and dated (lower right): Childs 59; inscribed (backboard): Sammy Eilenberg
the artist, Paris and New York (1959–d. 1985); his widow, Judith Childs, New York (1985–2000; her gift to MMA)
Stedelijk Museum Amsterdam. "Bernard Childs," November 1959, no. 18 (as "The Mathematician [Portrait]").
New York University Art Collection, Loeb Student Center. "Bernard Childs: Exhibition of Paintings, Engravings and Drawings," April 14–May 15, 1964, not in catalogue.