Philip Melanchthon
Philip Melanchthon (born Philipp Schwartzerdt; 16 February 1497 – 19 April 1560) was a German Lutheran reformer, collaborator with Martin Luther, the first systematic theologian of the Protestant Reformation, intellectual leader of the Lutheran Reformation, and an influential designer of educational systems. He stands next to Luther and John Calvin as a reformer, theologian, and molder of Protestantism. After Luther himself, he is the primary founder of Lutheranism.
Philip Pettit
Philip Noel Pettit (born 1945) is an Irish philosopher and political theorist. He is Laurence Rockefeller University Professor of Politics and Human Values at Princeton University and also Distinguished University Professor of Philosophy at the Australian National University. He was a Guggenheim Fellow.