Complex sentence: William Lane Craig and Alvin Plantinga, despite not being Roman Catholic, are popular advocates of Molinism today, although other prominent Molinists include Alfred Freddoso, Thomas Flint, and Kenneth Keathley.
Split into simpler sentences: William Lane Craig and Alvin Plantinga, are prominent contemporary advocates of Molinism. Other Molinists include Alfred Freddoso, Thomas Flint, and Kenneth Keathley.