Gautama

Husband of Ahalya. She had a relationship with Indra. Gautama cursed her to become a stone until the foot of Rama touched her. Rama redeems her in the Ramayana.

For the story visit
http://www.sushmajee.com/biographies/bio-E-H/gautam.htm
http://talesfrommythology.blogspot.com/2011/07/ahalyaa-and-indra.html