Ward Christensen

Ward Christensen
Ward Christensen and the First BBS
Christensen and the First BBS, 2002
Born
Ward Leon Christensen

(1945-10-23)October 23, 1945
West Bend, Wisconsin, U.S.
DiedOctober 11, 2024(2024-10-11) (aged 78)
Rolling Meadows, Illinois, U.S.
Alma materMilton College (BA)
OccupationComputer scientist
Known forFirst bulletin board system (BBS)
XMODEM Protocol

Ward Leon Christensen (October 23, 1945 – October 11, 2024) was an American computer scientist who was the inventor of the XMODEM file transfer protocol and a co-founder of the CBBS bulletin board, the first bulletin board system (BBS) ever brought online.[1][2][3][4]

  1. ^ "U.S., Public Records Index, 1950-1993, Volume 1". Ancestry.com. Retrieved October 20, 2024. Ward L Christensen was born on October 23, 1945....
  2. ^ Cite error: The named reference bbs questions was invoked but never defined (see the help page).
  3. ^ Zelchenko, Peter (October 30, 1998). "Jack Rickard, editor of Boardwatch magazine, saw it coming". Chicago Tribune. Retrieved October 8, 2022.
  4. ^ Edwards, Benji (October 14, 2024). "Ward Christensen, BBS inventor and architect of our online age, dies at age 78". Ars Technica. New York: Condé Nast. Retrieved October 14, 2024.