Ah Bob, I know you well. I was always impressed with your table of different app speeds for the C172 for each passenger carried and I can confirm i am still trying to fly that accurately!
What happened to the chap with the moustache who seemed to own the school at the time and loved drawing Thrust/drag + Lift/thrust diagrams on the board?
There was also the Aztec that was cleared to land at EMA after calling 'finals' and touched down non radio on 24 at Birmingham!
Hector by the way did more Instructor renewals and initials than any other panel eaxaminer at that time--God bless him- a true gentleman