I don't know about the oldest on the web site, but I have a friend who is still very active and continues to hunt deer and squirrel at 92 years old. Three years ago he was the oldest sitting Master of a Texas Masonic Lodge. I pray that if I live that long I will be in as good a physical condition as he is. You and I are close to the same age, and I still do most everything I want. I think the secret is staying active.
A while back, I got a big chuckle out of my friend, he had been hunting and killed several squirrels, I asked "do you eat them," he said "yes, they are good for you, very low in cholesterol." I then asked, "how do you cook them?" He said, "I clean them, soak them in salt water in the frig over night, when I am ready to cook them, I rub the pieces down with pepper, then drop them in a big pot of hot bacon grease."
I guess his style of health eating works, after all, it has got him to 92 years old.