Dateline: Alton Donald G. Bonacorsi, 77, died at 6:49 p.m. Tuesday, June 27, 2017 at his home in Alton. Born October 31, 1939 in Jacksonville, IL, he was the son of Edward and Emma (Perino) Bonacorsi. Don retired as a Geophysicist for a... View Obituary & Service Information