Timely Comics was founded in 1939 by Martin Goodman and became Marvel Comics. Stan Lee and artists like Jack Kirby and Steve Ditko helped create many popular characters using the "Marvel method" of collaboration, including the Fantastic Four, Spider-Man, and the X-Men. However, Jack Kirby is also recognized for his significant artistic contributions in bringing many of these early characters to life. The first Marvel comic featured early predecessors to popular characters like the Human Torch and Sub-Mariner.