Nineteen of the 74 delegates to the convention never even attended a single session, and of the 55 delegates who did show up in Philadelphia, no more than 30 stayed for the full four months. New Hampshire’s delegation arrived two months late, by which time two of New York’s three delegates had left in opposition to the proceedings, leaving just Hamilton behind and depriving the state of a quorum to vote. Thus, Washington wrote that the Constitution was signed by “11 states and Colonel Hamilton.”