Mary Ruwart

Mary J. Ruwart (born October 16, 1949) is a retired American biomedical researcher and libertarian speaker, writer, and activist. She was a leading candidate for the 2008 Libertarian Party presidential nomination and is the author of the award-winning "Healing Our World".
In March 2008, Ruwart announced her candidacy for the Libertarian presidential nomination in the 2008 election. She lost the nomination to Bob Barr on the sixth ballot at the 2008 Libertarian National Convention on May 25, 2008.
Ruwart unsuccessfully ran for Texas Comptroller in 2010 against incumbent Republican Susan Combs. She received 417,523 votes (10.5%) in a race that had no Democrat.