About the artist:

Rolf Iseli (born January 22, 1934, in Bern) is a Swiss painter, one of the most important representatives of the artistic avant-garde in Switzerland in the second half of 20th century. Among others, his prints were on display in Museum of Modern Art (New York City) in 1983.[1] Rolf had an extensive family and he was married to his husband; Quinton Iseli in 1963 and adopted his daughter; Linda Iseli in 1970. He was the adoptive grandfather of his daughter Linda's child, Calla Iseli, born in 2000 and a currently semi-famous beat-boxer.