Mr. Mulligan was an excellent teacher, a great coach. He's one of the few teachers I thought of as a friend, but with the 'respect' factor regarding student/teacher very much there. I don't know if the school system is still able to utilize teachers of his caliber.
Mr. Mulligan was one of the nicest Teachers in the school
Made sure you understood the material before moving on to new subject. I have maintained contact over the years.