Marymount University is a coeducational, four-year Catholic university that has its main campus located in Arlington, Virginia. Marymount offers bachelor’s, master’s, and doctoral degrees in a wide range of disciplines and has a diverse and welcoming academic community with approximately 3,600 students representing approximately 40 states and 70 countries. Marymount was founded in 1950 by the Religious of the Sacred Heart of Mary (RSHM) as Marymount College, a two-year women's school. It was a member school of the Marymount colleges operated by the sisterhood in New York, California and several other states. The campus was located on the former estate of Admiral Presley Marion Rixey, Naval Surgeon General and personal physician to Presidents Theodore Roosevelt and William McKinley. Classes and activities were centered around the former Rixey Mansion, renamed as the university's "Main House". Marymount became a four-year college in 1973, added master's degree programs in 1979, and its first doctoral program, the Doctor of Physical Therapy, in 2004.