Which author won more Pulitzer Prizes, John Kennedy Toole or Flannery O'Connor?
John Kennedy Toole: John Kennedy Toole ( ; December 17, 1937 – March 26, 1969) was an American novelist from New Orleans, Louisiana, whose posthumously published novel "A Confederacy of Dunces" won the Pulitzer Prize for Fiction. Flannery O'Connor:  Her posthumously compiled "Complete Stories" won the 1972 U.S. National Book Award for Fiction and has been the subject of enduring praise.
John Kennedy Toole