Besides Leo Frankowski's popular Cross-Time Engineer series for Del Rey, which has gone through six novels to date, with frequent reprintings and translated editions in Italy, Spain, and Poland, he has written the novels A Boy and His Tank, The Fata Morgana and Conrad's Time Machine for Baen. Frankowski was nominated for the John W. Campbell award for best new writer. His occupations have ranged from scientist in an electro-optical research lab to chief engineer to company president. His work in chemical and optical instrumentation has earned him several patents. Currently a writer and consulting engineer, he lives with his new Russian wife and teenage daughter in Tver, Russia.
Dave Grossman is a retired U.S. Army Lt. Colonel, West Point Psychology Professor, Professor of Military Science, Army Ranger, and lifelong SF fan. He started his military career as a paratrooper and a sergeant before attending OCS. Colonel Grossman is the author of the Pulitzer nominated book, On Killing, which is used as required reading in courses at military academies, police academies, and colleges worldwide. He has written many other scholarly and popular works, and since his retirement from the military in 1998, he now travels the world almost 300 days a year, training elite military and law enforcement organizations.