'The Michelangelo of comics'. Buscema was one of the mainstays of Marvel Comics during its 1960s and 1970s heyday, best known for his run on the The Avengers and The Silver Surfer, and for over 200 stories featuring the sword-and-sorcery hero Conan the Barbarian. In addition, he penciled at least one issue of nearly every major Marvel title, including long runs on two of the company's top books, Fantastic Four and Thor.
Don Heck was an American comics artist best known for co-creating the Marvel Comics characters Iron Man and the Wasp, and for his long run penciling The Avengers during the Silver Age
John Romita was one of the driving forces behind Marvel's Silver Age, he took up the reins on Spider-Man following the departure of Steve Ditko with issue #38. Romita's run on Spider-Man would be long and significant, introducing characters including Mary Jane Watson, the Kingpin and many others. He would be a major contributor to the entire Marvel line throughout the 1970s including designing the look of The Punisher.