Re: Oldest swinger in town?
There's Senta Yamada sensei, who's in his 80's, and still practicing both judo and aikido. He started learning judo at the age of 10 with Jigoro Kano himself.
In the UK, there is Bob Forrest-Webb, who teaches and practices Shodokan Aikido and Katori Shinto Ryu. Mr Forrest-Webb is in his mid 70's, though you'd probably guess he's a couple of decades younger to meet him.