A Celebration of Life service for John Beck, 53, of Nevada, formerly of Jefferson, will be Monday at 11 am at the Hastings Funeral Home in Jefferson.  The family invites friends to a time of lunch and fellowship will follow at the Clover Hall at the Greene County Fairgrounds.  Survivors include:  Siblings, Colleen Gray of Perry, Pat Schiltz of Jefferson, Bobbi Tarlton of Johnston, Polly Parker of Bella Vista, Arkansas, Phillip Beck of Bagley, Ken Beck of New York, Mary Book of Bella Vista, Arkansas, Therese Lohr of Des Moines, Fran Bookwalter of Ohio and Maggie Thompson of Perry.