Michael Servetus, Heartfelt is a tribute to this unique man and his legacy as a humanist, Renaissance scholar, and standard-bearer of freedom of conscience. The Servetus International Congress (2006) brought together prestigious scholars with diverse backgrounds such as theology, philosophy, history, medicine, law, physics, and biochemistry, demonstrating the richness and breadth of interests of Michael Servetus. A milestone in Servetian studies, this collection of essays includes valuable graphic and reading materials related to the Servetus International Congress.