While not a Cypherpunk himself, Chaum’s research papers were essentially the founding documents of the Cypherpunk movement.
David Lee Chaum (born 1955) is an American computer scientist and cryptographer. He is famous for developing ecash, an electronic cash application that aims to preserve a user’s anonymity. He has also invented many cryptographic protocols and founded DigiCash, an electronic money corporation. His 1981 paper, “Untraceable Electronic Mail, Return Addresses, and Digital Pseudonyms”, laid the groundwork for the field of anonymous communications research
TODO: Go through list of publications on Chaum’s site and link the available ones