If you are interested in the Space X vs Blue Origin vs ULA, and/or want to learn more about the birth of the private space industry I can recommend a book calle

If you are interested in the Space X vs Blue Origin vs ULA, and/or want to learn more about the birth of the private space industry I can recommend a book called: The Space Barons. It's an interesting read to be sure. https://en.wikipedia.org/wiki/The_Space_Barons https://en.wikipedia.org/wiki/The_Space_Barons