Heider, John Edward, of Florissant, Missouri, died on Thursday, March 22, 2012 at the age of 69. Dearest husband of Sandra Sue Heider NEE: Proud; dear son of the late Charles Henry and Emily Jean Heider; devoted father of John Edward (Rene) Heider, Jr. and Mark Steven (Marsha) Heider; beloved grandfather of Cody, Connor, Amanda and Andrew Heider; dear brother of Marjorie (Rodney) Moore, Janet (Frank) Phelps and Dorothy Lay. He was a beloved uncle, brother-in-law and friend to many, was loved by all and will be greatly missed. John was employed as a Sr. Research Tech at Monsanto before his retirement and proudly served in the US Air Force. Memorials may be made to the Parkinsons Foundation or Humane Society.