These men might qualify.
Pat Butler , Trevor Jones, Billy Coyle. Tom Pickering . Stuart Appleby.Ron Myers.Lee Crow.John Hamilton.
In the 70s:George Girvan .Matt Holland, Arthur Lockyear.Dee Chen , .Peter Brady. Mick Holloway Bill Smith Terry Ezra.Paul Smith;John Emmerson.Keith Hayward.Eric Beake;Bob Lincoln.Tony Cassells . Chris Mooney. Alan Rowley,Ian McClarence.Alan Ruddock.
I can think of more given a bit of time.May I also state I have been traing in aikido since earl 70s and know /knew all the aforementioned?
Don't forget Michael Narey who was also at the 50 years of Aikido bash in Crystal Palace.
I'm sure he'll have been involved with you wild young things in the 60's.