Julius Schwartz's editorial records, provided by DC Comics, credits pencils and inks to Gil Kane. However art spotters and www.nealadams.com agree cover art was by Neal Adams (added by Gregory Fischer, June 2009).
from Showcase (DC, 1956 series) #17 (November-December 1958)Corrected inker credit by Denys Howard (March 9, 2004). Originally credited to Joe Giella, who is identified as the inker on the splash page of this reprint.
from Mystery in Space (DC, 1951 series) #16 (October-November 1953)The first Interplanetary Insurance story.
from Strange Adventures (DC, 1950 series) #117 (June 1960)With new splash page by Kane and Anderson.