Simplify the following text for a Grade 11 native English-speaking person.
Original: Stoker was a friend of a Hungarian professor ( Arminius Vambery\/Hermann Vamberger ) from Budapest , and many have suggested that Vlad 's name might have been mentioned by this friend .
Simplified: It is also suggested by some that because Stoker was a friend of a Hungarian professor ( Ã rmin VÃ mbÃ ry ) from Budapest , Vlad 's name might have been mentioned by this friend .