IN MEMORIAM: Ronald Luettger, 58; Retired 25-Year Teacher At Unatego ONEONTA – Ronald Luettger, 58, retired 25-year teacher in the Unatego Central School District, passed away Monday, May 29, 2017. Ronald was born on Dec. 29, 1958 in Brooklyn, the son of Franz and Elke (Schumacher) Luettger. He grew up on Long Island, graduating from North Babylon Senior High School, where he was active in jazz bands and track, holding the half-mile track record for many years. Outside of school…