In 1962 his first wife Terry was killed in a car accident. In part to recover from her loss, in 1963 Hamilton travelled for the first time to the United States for a retrospective of the works of Marcel Duchamp at the Pasadena Art Museum, where, as well as meeting other leading pop artists, he was befriended by Duchamp. Arising from this Hamilton curated the first British retrospective of Duchamp's work, and his familiarity with "The Green Box" enabled Hamilton to make copies of "The Large Glass" and other glass works too fragile to travel. The exhibition was shown at the Tate Gallery in 1966.