Michael Don Knapik, 53, of Fountain Hills, Ariz., died April 16, 2009, at his home. Death was due to cancer.

He was born in Cleveland, to Mikael and Susan Nemec Knapik. On Aug. 5, 1978, he married Terese Homan of St. Sebastian, who survives.

A computer scientist, he authored "Developing Intelligent Agents for Distributed Systems" and "Everything Elephants."

Surviving are a brother, Don, Scottsdale; a sister, Pat (Dick) Jones, Sharon, Pa.; brothers and sisters-in-law, Ron (Maryann) Homan, Coldwater, Virgil Homan, Celina, Carl (Diana) DeMange, Versailles, Judy Link, Fountain Hills, Ariz., Dr. Dave (Lucy) Poeppelman, Ottawa, Leon (Kathy) Homan, New Bremen, David Homan, Chandler, Ariz., Dennis (Helen) Schattel, Buena Park, Calif., Rick (Marlene) Brunswick, Forest, Joseph (Nancy) Homan, Johnstown, Pa., Mark (Lisa) Seitz, Maria Stein, Craig (Ann) Nesbit, Phoenix, Ariz., and Tim (Brenda) Homan, Horton, Kan.

There will be no services or calling hours.

Contributions can be made to www.MorrisAnimalFoundation.Org or www.hospiceofthevalley.org.