* Martin Goodman: In 1939, Goodman founded Timely Comics, which would later become Marvel Comics. He initially published pulp magazines and then ventured into comics with the creation of Marvel Comics #1, featuring the first appearances of the Human Torch and the Sub-Mariner.
* Stan Lee: Lee joined Timely Comics in 1939 and eventually rose to the position of editor-in-chief. He is known for his innovative storytelling and for creating or co-creating many iconic Marvel characters, including Spider-Man, the Fantastic Four, the Hulk, Iron Man, and Thor. He is widely considered the "face" of Marvel Comics and a key figure in its success.
* Jack Kirby: A legendary artist and co-creator of many of Marvel's most popular characters, Kirby's distinct artistic style and innovative storytelling helped define the Marvel Universe. He is known for his work on Captain America, the Fantastic Four, the Hulk, and many others.
* Steve Ditko: Ditko co-created Spider-Man with Stan Lee and also played a crucial role in developing Doctor Strange, the original Hawkeye, and the original version of the superhero team, the Avengers.
So, while Martin Goodman founded the company, Stan Lee, Jack Kirby, Steve Ditko, and many other talented writers and artists contributed to the development and success of Marvel Comics.