There is a man in Chicago who is at the top of his profession and has the respect of his peers. He’s a genuine treasure. Yet, he’s relatively unknown by the general public.If he had been a member of the Chicago Bulls, he could have been another Michael Jordan. If he’d been with the Bears or the Cubs, perhaps we’d compare him to Walter Payton and Ernie Banks.This 81-year-old man has the athletic ability, strength, drive and endurance of each of them — and maybe even the leadership qualities of Phil Jackson or Mike Ditka.Who …