". . . the online tutorial . . . was posted . . ."
If so, no one – except the author – read it, since there was no "online" in 1963.
No Internet, no computer networking hardware or software, no satellites [other than Sputnik], no time-sharing.
In 1963 some wiseguy might have typed a clever message or rant into IBM 70-column punch cards, printed the deck through the single, large, kachunka line-printer, and posted the fanfold printout on the computer-room corkboard.
John McCarthy helped create time-sharing ~ 1965.
An early version was running on a DEC PDP-10 at SAIL in 1969.
Did I really need the /sarc tag?
For goldbux of all people?