Sparkers and Buntings

Here is an image of some communicators.  Can you name them and what year?

L – R    Holland, William (Rupert) Anderson, Stephen Prentice, Peter Clash (kneeling) 1975/76 on Canterbury

L – R  Denis (Bounce) Spring, Greg Hanson, Dave Carroll, Trevor Stevens. 1974

Trevor Stevens and Peter Clash  1975/76 on Canterbury