At almost 90 years old, my dad is still kicking, although he has slowed down quite a bit. He's been on a feeding tube for over 2 years, but I think he's hanging on mainly to care for my mom who is suffering with dementia. He's a great man, and I'm pretty proud of him. Yesterday, he gave a commencement address at a school in AZ.
And here he is in a photo from his time in the Navy in WWII (back row, second from right):