Mike Kooiman and Jim Amash state in the Quality Companion that Gustavson created the strip and wrote it. Last Human Bomb story written by Paul Gustavson.
Letters credit from Terry Gustafson, son of Paul Gustavson.
Continued from Feature Comics #70 (August 1943).
Artist credits revised from Arthur Peddy ? to Rudy Palais ? by Craig Delich 2013-5-29, per Roy Thomas.
New art credit, removing the ?, by Peter Normanton in his article in Alter Ego (TwoMorrows Publications, 1999 series) #165 (September 2020).