Karaoke enthusiast John Hetlinger, a former Navy pilot and aerospace engineer who helped repair the Hubble Telescope, said appearing on the show "would be probably the high point of my life and my many careers." 

About the Author

Featured

Jo'wan Bellamy taught in the GNETS program for 17 years and recently transferred to Atlanta’s new behavioral program at Crawford Long Middle School. (Arvin Temkar/AJC)

Credit: arvin.temkar@ajc.com