active in the Bay area Jane Austen group, and wrote a topical index to the Dierdre Le Faye edition of Austen's letters, which can be seen at the Republic of Pemberley website. McDonnell died peacefully at his home in Palo Alto on August 17, 2010. Conference Papers IBM69 Boston, A Formal Description of JCL APL73 Toronto, The Variety of Alternative Definitions of a Simple Function APL73 Copenhagen, Complex Floor APL74 Anaheim, The Caret Functions APL75 Pisa, A Notation for the GCD and LCM Functions APL76 Ottawa, Zero Divided By Zero IBM78 Los Altos, organizer APL79 Rochester, NY, Fuzzy Residue APL80 Noordwijkerhout, Netherlands, Extending APL to Infinity, with Jeffrey Shallit IPSA80 Toronto, Commercial Applications for Event Handling APL81 San Francisco, conference chairman APL84 Helsinki, APL award APL86 Manchester, UK, A Perfect Square Root Routine APL87 Dallas, Iverson Award APL88 Sydney, Life: Nasty, Brutish, and Short APL89 NYC, Phrasal Forms, with Kenneth E. Iverson (introduces hooks and forks) APL90 Copenhagen, APL\?, with Roger Hui, Kenneth E. Iverson, and Arthur Whitney (introduces J) APL91 Stanford, conference organizer APL93 Toronto, From Trees Into Boxes, with David Steinbrook References External links Papers and Articles "At Play With J" columns "At Play With J (Edn 2)" paperback Remembering Ken Iverson 1926 births 2010 deaths United States Army personnel of World War II APL implementers Brooklyn Technical High School alumni IBM employees Harvard University alumni I. P. Sharp Associates employees People from Palo Alto, California University of Kentucky alumni United States Army non-commissioned officers