Mary Kimball Morgan (8 December 1861 – 13 October 1948) was an American educator and the founder of The Principia, a K–12 school in St. Louis, Missouri, and Principia College, a four year college in Elsah, Illinois.
Mary Kimball Morgan (8 December 1861 – 13 October 1948) was an American educator and the founder of The Principia, a K–12 school in St. Louis, Missouri, and Principia College, a four year college in Elsah, Illinois.