 The proceeds raised from an August 1987 exhibition and auction of art by Rubin and other Israeli artists at the Meimad Gallery in Tel Aviv were donated to a fund for educational activities and promotion of the values of democracy and freedom of speech dedicated to Emil Grunzweig, an Israeli teacher and Peace Now activist murdered in 1983 by a grenade thrown at a Jerusalem peace rally.Rubin's drawings and paintings have been exhibited in Israel, South Africa, the United States, and Germany since the 1960s.Rubin returned to playing jazz in late 1979, having previously given up performance for more than a decade after his emigration from Africa.