I'll bet not many go back as far as I do since I remember Mark Harmon's dad, Tom, as a great football player in the late 30's/early 40's at the University of Mich. I was a kid and we all worshipped the handsome college hero, who won the Heisman trophy and became a genuine air force hero during World War II. He married the beautiful actress, Elyse Knox, and became the patriarch of the extensive Harmon-Nelson family. Mark played football in college, too. And I remember Ricky and David Nelson as little boys on the radio Ozzie and Harriet program. It's hard to believe so many years have flown, and it's nice to see Tom Harmon's family so good looking and active.