Surprised the PDP-6/10 didn’t make the list as it was the dominant research architecture for a certain period. Another Gordon Bell jewel.
The funny thing was...no one told me the secret and I musta spent 5 long hours pulling out my hair.
If I remember right, one of the RAs running the computer center finally had pity on me and showed me what was going on...
I'm not really sure I can call them the "good ole days of programming", but that was how things were done back then.