An inquisitor was an official in an Inquisition, an organisation or program intended to eliminate heresy and other things frowned on by the Roman Catholic Church. Literally, an inquisitor's one who "searches out" or "inquires" (Latin inquirere < quaerere, "to seek"). The chief inquisitor of an Inquisition was often called the Grand Inquisitor. Prominent inquisitors Some of the more well-known inquisitors throughout history include: Arnaut Catalan Bernard Gui Diego Deza Fabio Chigi (later Pope… (More on Inquisitor)