Thomas Hobbes (1588-1679) lived in England during the English Civil War. It was during the English Civil War that he wrote Leviathan, a book in which Hobbes discusses a need for a strong central authority in order to avoid future wars.

A 17th century painting/portrait of English philosopher Thomas Hobbes. He is an older man in his 70s with a moustache and partial beard.

Source: Thomas Hobbes (portrait), John Michael Wright, Wikimedia