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 Welch
Philip David Welch (born 6 January 1954 in Newport, Hampshire) is a British mathematician known for his contributions to logic and set theory. He is Professor of Pure Mathematics at the School of Mathematics, University of Bristol.. He is currently President of the British Logic Colloquium (2017), Vice-President of the European Set Theory Society (2018), and the Coordinating Editor of the "Journal of Symbolic Logic" (2016).