Shoutout to BlueNerdWriter ! The correct answer was Digory Kirke! His full name was given in The Magician's Nephew, but he was only known as Professor Kirke in the movie and second book (The Lion, the Witch, and the Wardrobe).

Here's another question for all you Harry Potter fans out there! How much do you love the Harry Potter series?

And yes. This does have a correct answer.