the rules that Vanderbilt and the Americans had developed over the previous quarter century. Bridge Vanderbilt was also a card game enthusiast. In 1925, while on board SS Finland, he originated changes to the scoring system through which the game of contract bridge supplanted auction bridge in popularity. Three years later he endowed the Vanderbilt Cup awarded to the winners of the North American championship (now the Vanderbilt Knockout Teams, or simply "the Vanderbilt", one of the North American Bridge Championships marquee events). In 1932 and again in 1940 he was part of a team that won his own trophy; it remains one of the most prized in the game. Vanderbilt also donated the World Bridge Federation Vanderbilt Trophy, awarded from 1960 to 2004 to the winner of the open category at the quadrennial World Team Olympiad, and since 2008 to the winner of the corresponding event at the World Mind Sports Games. Vanderbilt invented the first , which he called the "Club Convention" but which has since become more usually known as the Vanderbilt Club. The strong club, or forcing club, family of has performed exceptionally well in world championship play. He wrote four books on the subject. Vanderbilt, Ely Culbertson, and Charles Goren were the three people named when The Bridge World inaugurated a bridge "hall of fame" in 1964 and they were made founding members of the ACBL Hall of Fame in 1995. In 1969, the World Bridge Federation (WBF) made Vanderbilt its first honorary member. In 1969, he became a WBF Honorary Member, and was inducted into the ACBL Hall of Fame in 1964.In 1941, he was made ACBL Honorary Member of the Year and won the Wetzlar Trophy in 1940. He won the North American Bridge Championships twice and the Vanderbilt twice, the first in 1932 and the last in 1940. He was a runner-up at the North American Bridge Championships and during the Vanderbilt in 1937. Later life In 1930, after a property dispute with the Town of Palm Beach, Florida, Vanderbilt moved several miles south to an undeveloped area called Manalapan, where he purchased 500 feet of oceanfront property and built a mansion called Eastover. In 1931, he filed papers to incorporate the Town of Manalapan and became the Town's first mayor, serving from 1952 until 1966. He was a town councilman for 32 years and was called "mayor emeritus" when he retired