Thomas Hobbes , in some older texts Thomas Hobbes of Malmesbury, was an English philosopher, considered to be one of the founders of modern political philosophy. Hobbes is best known for his 1651 book Leviathan, which expounded an influential formulation of social contract theory. In addition to political philosophy, Hobbes also contributed to a diverse array of other fields, including history, jurisprudence, geometry, the physics of gases, theology, ethics, and general philosophy.Early life and educationThomas Hobbes was born at Westport, now part of Malmesbury in Wiltshire, England, on 5 April 1588. Born prematurely when his mother heard of the coming invasion of the Spanish Armada, Hobbes later reported that my mother gave birth to twins: myself and fear. His childhood is almost completely unknown, and his mother's name is unknown. His father, Thomas Sr., was the vicar of Charlton and Westport.