![Tinusaur on Twitter: "On December 4, 1957 was born Eric Steven Raymond. He is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral Tinusaur on Twitter: "On December 4, 1957 was born Eric Steven Raymond. He is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral](https://pbs.twimg.com/media/FFdAJTLVEAYXHl1.jpg)
Tinusaur on Twitter: "On December 4, 1957 was born Eric Steven Raymond. He is an American software developer, open-source software advocate, and author of the 1997 essay and 1999 book The Cathedral
![9781157064749: Free software programmers: Linus Torvalds, Donald Knuth, John D. Carmack, Eric S. Raymond, Andrew S. Tanenbaum, Jamie Zawinski, James Gosling - Source: Wikipedia: 1157064744 - AbeBooks 9781157064749: Free software programmers: Linus Torvalds, Donald Knuth, John D. Carmack, Eric S. Raymond, Andrew S. Tanenbaum, Jamie Zawinski, James Gosling - Source: Wikipedia: 1157064744 - AbeBooks](https://pictures.abebooks.com/isbn/9781157064749-us.jpg)
9781157064749: Free software programmers: Linus Torvalds, Donald Knuth, John D. Carmack, Eric S. Raymond, Andrew S. Tanenbaum, Jamie Zawinski, James Gosling - Source: Wikipedia: 1157064744 - AbeBooks
![Understanding Free and Opensource Operating Systems, The Technology and Philosophy Of - Chapter 1 - History of Linux and Unix | Taking Time and Solving Problems - Jeremy Hajek Understanding Free and Opensource Operating Systems, The Technology and Philosophy Of - Chapter 1 - History of Linux and Unix | Taking Time and Solving Problems - Jeremy Hajek](https://jeremyhajek.com/assets/Chapter-Header/Chapter-02/open_source.png)