Socrates was a classical Greek philosopher credited as one of the founders of Western philosophy, and as being the first moral philosopher of the Western ethical tradition of thought.
Sojourner Truth was an African-American abolitionist and women's rights activist. Truth was born into slavery in Swartekill, Ulster County, New York, but escaped with her infant daughter to freedom in 1826.
Sonia Maria Sotomayor is an American lawyer and jurist who serves as an Associate Justice of the Supreme Court of the United States. She was appointed by President Barack Obama in May 2009 and confirmed that in August. She was the first Hispanic and Latina Justice.