http://en.wikipedia.org/wiki/Joan_Whitney_Payson

Joan Whitney Payson (February 5, 1903 – October 4, 1975) was an American heiress, businesswoman, philanthropist, patron of the arts and art collector, and a member of the prominent Whitney family. She was also co-founder and majority owner of Major League Baseball's New York Mets baseball franchise, and was the first woman to own a major-league team in North America without inheriting it.