 Bill Everett, creator of the Sub-Mariner during the period fans and historians call the Golden Age of Comic Books, was the title's most frequent cover artist, producing seven.The covers of #15 and #17-19 (Dec. 1958 and April-Aug. 1959) and a story each in #16 and #18 (Feb. and June 1959) marked some of the earliest work of Jack Kirby upon his return to Marvel Comics, after having co-created Captain America in 1940 and leaving the company a year later.Other artists who contributed at least one story include Golden Age artists Carl Burgos, Kurt Schaffenberger, and Bob Powell; artists of the time including Bernard Krigstein, Joe Maneely, Joe Orlando, and Al Williamson; and future Marvel superhero pencilers of the 1960s Silver Age of Comics, including Ross Andru, Dick Ayers, Gene Colan, Don Heck, and Jim Mooney, and inkers Joe Sinnott and Jack Abel.