The ex-Michigan State head football coach. Yes, he is Mormon. As is Bronco Mendenhal, Mike Leach, Norm Chow, and I am sure a number of other football coaches that I just can't think of right now.
No. John McCain is not a member of the Church of Jesus Christ of Latter Day Saints (commonly called "Mormons"). He was raised Episcopalian but now says he is a Congregational Baptist.
Yes. John Moses Browning (1855 - 1926), born in Ogden, Utah, was an American firearms designer who developed many varieties of firearms, cartridges, and gun mechanisms, many of which are still in use...