https://github.com/davepinch/pinchy.cc/blob/master/content/topics/computers/email/the-first-network-email/the-first-network-email.md
During the summer and autumn of 1971, I was part of a small group of programmers who were developing a time-sharing system called TENEX that ran on Digital PDP-10 computers. We were supporting a larger group working on natural language. Earlier, I had worked on the Network Control Protocol (NCP) for TENEX and network programs such as an experimental file transfer program called CPYNET.
