Lots of great book suggestions here. I'm going to throw in a video series put out by PBS in the 90s in cooperation with the Boston Computer Museum (now the Comp

Lots of great book suggestions here. I'm going to throw in a video series put out by PBS in the 90s in cooperation with the Boston Computer Museum (now the Computer History Museum in California). "The Machine that Changed the World" Part 1: https://www.youtube.com/watch?v=kYFRdV1r4nU https://www.youtube.com/watch?v=kYFRdV1r4nU Part 2: https://www.youtube.com/watch?v=krlZf5H7Hp4 https://www.youtube.com/watch?v=krlZf5H7Hp4 Part 3: https://www.youtube.com/watch?v=iwEpKy_7mYM https://www.youtube.com/watch?v=iwEpKy_7mYM Part 4: https://www.youtube.com/watch?v=tXMaFhO6dIY https://www.youtube.com/watch?v=tXMaFhO6dIY Of course, a lot of computer history materials are going to focus on the commercial aspects, hardware and software, rather than advances in Computer Science itself. One thing that might help there is to track down old CS textbooks on eBay to understand what used to be the state of the art. The "dinosaur book" on operating systems usually has a bonus chapter on the architecture behind some recent operating system. It was Windows XP when I took my OS class. I found an older copy that talked about VMS once.