2nd DC issue; rare
Joe Kubert (Sept. 18, 1926 - Aug. 12, 2012) began his career at the age of 13. He was also an art teacher and founder of The Kubert School. He is best known for his work on the characters like Sgt. Rock, Hawkman, Tor, Son of Sinbad and the Viking Prince.
Ross Andru was an American comics artist and editor. He is best known for his work on The Amazing Spider-Man, Wonder Woman, The Flash, and The Metal Men, and for having co-created The Punisher. During Andru's long career he also worked on Sgt. Rock, the Suicide Squad features in the Brave and the Bold, Rip Hunter, Time Master and Sea Devils at DC. At Marvel Andru contributed to Marvel Feature (where he drew the 1st appearance of The Defenders) and Marvel Team-Up among others.