In 1967, the pair returned to Europe and toured the continent - the same year that Hockney completed his famous painting A Bigger Splash, and when his painting Peter Getting Out Of Nick's Pool, won the John Moores painting prize at the Walker Art Gallery in Liverpool. (visual-arts-cork.com)
He was awarded the first Guggenheim International painting prize in 1956, and the international prize for painting at the Sao Paulo Bienal in 1957. (tate.org.uk)
Later in the decade Riley shifted to nuanced color, and in 1968, with three monumental striped canvases that seem to radiate light, she was the first woman and first contemporary British artist to win the international painting prize at the Venice Biennale. (blouinartinfo.com)