John Buscema

John Buscema (1927-2002) was an American comic-book artist, one of the foundational figures of Marvel Comics' Bronze Age. He is most closely associated with The Avengers, The Silver Surfer, Conan the Barbarian and Thor, and his book How to Draw Comics the Marvel Way (1978, with Stan Lee) became one of the most influential instructional manuals in the medium (Wikipedia)