John G. Bluck was an Army journalist at Ft. Lewis, Washington, during the Vietnam War. Following his military service, he worked as a cameraman covering crime, sports, and politics, including Watergate, for WMAL-TV in Washington, D.C. Later, he was a radio broadcast engineer at WMAL-AM/FM.

After that, he worked at NASA Lewis (now Glenn) Research Center in Cleveland, Ohio, where he produced numerous NASA television documentaries. He transferred to NASA Ames Research Center at Moffett Field, California, where he became the Chief of Imaging Technology. Then he became a NASA Ames public affairs officer.

Bluck retired from NASA in 2008. Now residing in Livermore, California, he is a novelist and short story author.