William Rhinelander Stewart (1852-1929) was born in NYC. He was president of the Rhinelander Real Estate Co. and an officer of the Greenwich Savings Bank and the Corn Exchange Bank. As a philanthropist, he was active in the work of the Conference on Charities and Corrections and served as president of the State Board of Charities for twenty-five years.
Mr. Stewart is often considered responsible for Grant’s tomb funding, Washington Arch in Washington Square Park and was the President of the State Board of Charities in NY. The family was one of the oldest in NYC. He was also rumored to be a member of a secret society before WW II called The Room. The covert group, founded in 1917, included the real estate heir Vincent Astor, a close friend of Theodore Roosevelt; the book publisher Nelson Doubleday; Winthrop W. Aldrich, the president of the Chase National Bank; Kermit Roosevelt, a son of Theodore Roosevelt; David K. E. Bruce, a son-in-law of Andrew W. Mellon and a future ambassador to France, West Germany and Britain; the philanthropist William Rhinelander Stewart; and Marshall Field III, a newspaper publisher and heir to the Chicago department store fortune. The group gathered info from various governments for President Roosevelt as well as gather to hear famous speakers.