Claes Oldenburg, Jim Dine and Tom Wesselmann had their first shows in the Judson Gallery in 1959 and 1960 and later in 1960 through 1964 along with James Rosenquist, George Segal and others at the Green Gallery on 57th Street in Manhattan.
In the 1960s, Oldenburg, who became associated with the pop art movement, created many happenings, which were performance art-related productions of that time.