I remember studying CTSS, ITS, Multics and some other historical OSs and being amazed at how much of the current OS features/design come from the 60s. Then I l

I remember studying CTSS, ITS, Multics and some other historical OSs and being amazed at how much of the current OS features/design come from the 60s. Then I learned about Lisps and their history, and remember being amazed at how much current languages are grafting from them. The 50s and 60s hold a very special place in my heart wrt technology. The boldness and beauty of the ideas expressed in those years is something we rarely see these days (I feel).