<P> Tommaso Campanella was confined to a convent for his heretical views, namely, an opposition to the authority of Aristotle . Later, he then spent twenty - seven years imprisoned in a castle during which he wrote his most famous works, including The City of the Sun . </P> <P> Baruch Spinoza, a Jewish philosopher, was excommunicated from the Nation of Israel for his pantheistic views of God and his claim that God is part of a deterministic system . </P>

A philosopher sentenced to death for his views