I watched a video about The invention of the network bridge where I learned about Radia Perlman, the network engineer behind STP, the Spanning Tree Protocol. From there, I read her Q&A on reddit and it's a wholesome read. Highly recommended.
https://www.youtube.com/watch?v=Hvqv9QcTcfA
https://www.reddit.com/r/IAmA/comments/xl6cc4/i_am_radia_perlman_the_network_engineer_behind/