I have been interested in the history of computing and Rust programming language. Here is a fascinating rabbit hole I have fallen into.
https://graydon2.dreamwidth.org/318788.html
https://youtu.be/wo84LFzx5nI
https://archive.computerhistory.org/resources/text/Knuth_Don_X4100/PDF_index/k-9-pdf/k-9-u2293-Record-Handling-Hoare.pdf