The following pioneers died in the month of October 2011.
Steven Paul "Steve" Jobs
Birth: 24 February 1955
Death: 5 October 2011
Contribution: Apple
Dennis MacAlistair Ritchie
Birth: 9 September 1941;
Death: 12 October 2011)
Contribution: C Programming Language
John McCarthy
Birth: 4 September 1927
Death: 24 October 2011
Contribution: LISP Programming Language