When did Warhol first show his work ?
Blum happened to be visiting Warhol in May 1962 , at a time when Warhol was being featured in a May 11 , 1962 " Time Magazine " article " The Slice - of - Cake School " ( that included a portion of Warhol 's silkscreened " 200 One Dollar Bills " ) , along with Lichtenstein , Rosenquist , and Wayne Thiebaud .