I received a message from a Commodore Users Group that Jim Butterfield (14 February 1936–29 June 2007) died on June 29, 2007, after battling cancer in many parts of his body. (Note: This is painful for me because he was 3 years younger than my mother.)

Jim was a Toronto, Canada-based author and computer programmer famous for his work with Commodore microcomputers, and a longtime contributor to many related periodicals, even long after the company declared bankruptcy. He personally taught me, via email, assembly language programming for the Commodore 64 (C64) and Commodore 128 (C128) computers many years ago. His assembly language and BASIC routines for "string thing 64" and "string thing 128" were used in many BBS programs for the Commodore line of computers during the BBS era.

He will be sorely missed.