Jack Campbell is a pseudonym for American science fiction author John G. Hemry. Librarian Note: There is more than one author in the GoodReads database with this name. See this thread for more information. John G. Hemry is an American author of military science fiction novels. Drawing on his experience as a retired United States Navy officer, he has written the Stark's War and Paul Sinclair series. Under the name Jack Campbell, he has written four volumes of the Lost Fleet series, and on his website names two more forthcoming volumes. He has also written over a dozen short stories, many published in Analog magazine, and a number of non-fiction works. John G Hemry is a retired United States Navy officer. His father, Jack M. Hemry, also served in the navy and as John points out was a mustang. John grew up living in several places including Pensacola, San Diego, and Midway Island. John graduated from Lyons High School in Lyons in 1974 then attended the US Naval Academy (Class of '78) where he was labeled 'the un-midshipman' by his roommates. He lives in Maryland with his wife and three kids. His two eldest children are diagnosed as autistic and suffer from Neuro immune dysfunction syndrome (NIDS), an auto-immune ailment which causes their illness, but are progressing under treatment. John is a member of the SFWA Musketeers whose motto reads: 'The Pen is Mightier Than the Sword, but the Wise Person Carries Both'.