In the early 1960s, while working at the Leo Castelli Gallery he helped sell the works of, bestow fame upon, popularize and market the initial generation of Pop artists, including Andy Warhol, Jasper Johns, Roy Lichtenstein, James Rosenquist and Robert Rauschenberg.
Ivan Turgenev | Ivan Caryll | Ivan Lendl | Ivan Vazov | Ivan the Terrible | Ivan Shapovalov | Iván Rodríguez | Ivan Reitman | Ivan Pavlov | Ivan Lins | Hurricane Ivan | Ivan Krylov | Ivan Franko | Ivan Tors | Ivan Basso | Ivan Vladislavic | Ivan Neville | Ivan Meštrović | Ivan Varichev | Ivan Sergei | Ivan Panfilov | Ivan Kostov | Ivan Galamian | Iván Campo | Ivan Stang | Ivan's Childhood | Ivan Rybkin | Ivan Pregelj | Ivan Paskevich | Ivan Olbracht |