does the idea that god knows everything was/is/will be compromise free will

I have taken many classes on philosophy (specifically ancient Greek) and theology. The most recent of the two classes were "great ideas of ancient and western thought" and "understandings of love (as all major cultures/religions understand it)" I had a very unique professor who taught in both classes (both classes were taught by two professors teaching the class in tandem). The professor was an Ex-minister who is now agnostic (not atheist) who taught the class from a unbiased point of view. He p...