I knew most of those guys...
I surfed hawaii from 1965 to 1969. I knew Miki Dora from Malibu and Butch Vanartsdalan from San Clemente. Both those guys were big time drinkers and both died about 20 years ago. I bought 2 boards many nears ago from Greg Knoll.
..and yes, we all wore suits and ties when flying.
I haven't seen ES for about 30 years and was surprised how well it held up. My grandchildren even liked it. 50 years went fast.