Michael Alan Ammon. Born August 1, 1958 in Dallas, Texas, passed away December 16, 2012 in Sherman, Texas from multiple conditions such as spinal stenosis, chronic pneumonia, and respiratory failure. Mike was born with Down’s syndrome and Autism, and attended special schools throughout his life. He is survived by his father, John Preston Ammon; mother, Irene Budai Ammon; brothers, Matthew and Phillip Ammon; sister, Lisa Marshall. Mike enjoyed spending most of his time with family, played the piano and was blessed with the special ability to make anyone smile, no matter what. The family will receive friends, Thursday, December 20, 2012, from 6:00 until 8:00 PM, with a Rosary to begin at 7:00 PM, Calvary Hill North Chapel. Funeral Mass will be held, 1:00 PM, Friday, Calvary Hill North Chapel.