Mark E. Rathsack, 52, passed away Saturday, December 25, 2010 at his home. He was born May 21, 1958 in Manitowoc, Wisconsin. Mr. Rathsack worked as a key specialist for Moss Engineering. He enjoyed the outdoors and loved to spend time fishing. Surviving are his father and step mother Charles and Barbara Rathsack of Fort Wayne; children, Andrew M. Rathsack of Fishers, Tara M. Rathsack of Indianapolis, Danny Rathsack of Fort Wayne; brother, Mike Rathsack of Milford, OH; grandchildren, Alexa Marie Rathsack , Jayden Wayne Hatfield; step brothers, Brent Belote of Fort Wayne, and Brian Belote of Elk City, Oklahoma. He was preceded in death by his mother, Margaret (Markison) Rathsack. Memorial service is Saturday, January 22, 2011 at 1:00 P.M. at Elzey-Patterson-Rodak Home For Funerals, 6810 Old Trail Road, Fort Wayne Indiana with calling one hour prior to services. Burial will be in Evergreen Cemetery, Manitowoc, Wisconsin. Preferred memorials are to The Danny Rathsack Education Fund.