Ward Christensen, co-inventor of the computer bulletin board system (BBS), a foundational technology of the internet age, died at age 78 on October 11 (Benj Edwards/Ars Technica)

Benj Edwards / Ars Technica:
Ward Christensen, co-inventor of the computer bulletin board system (BBS), a foundational technology of the internet age, died at age 78 on October 11  —  On Friday, Ward Christensen, co-inventor of the computer bulletin board system (BBS), died at age 78 in Rolling Meadows, Illinois.