Helen Bates "Penny" Chenery Tweedy (born January 27, 1922) is an American sportswoman who bred and raced Secretariat, the 1973 winner of the Triple Crown. The youngest of three children, she graduated from The Madeira School in 1939 and earned a Bachelor of Arts from Smith College, then studied at the Columbia Business School, where she met her future husband, John Tweedy, Sr., a Columbia Law School student. In March 2011, Randolph-Macon College in Ashland, Virginia awarded Chenery an Honorary Doctor of Laws degree. Married in May 1949, the couple had four children.