Mr. Fantastic (Reed Richards) is a fictional character, a Marvel Comics superhero and a member of the Fantastic Four. Created by writer Stan Lee and artist/co-plotter Jack Kirby, he first appeared in Fantastic Four #1 (November 1961).
Possessing a mastery of mechanical, aerospace and electrical engineering, chemistry, all levels of physics, and human and alien biology, Richards is often considered one of the most intelligent human beings in the Marvel Universe, alongside Bruce Banner, Professor Charles Xavier, Doctor Doom and a few others. He is the inventor of the spacecraft which was bombarded by cosmic radiation on its maiden voyage, granting the Fantastic Four their powers. Richards gained the ability to stretch his body into any shape he desires.
He is the leader of the Fantastic Four, although his methodical manner sometimes makes him seem cold and distant to his teammates, particularly best friend the Thing, who somewhat blames Richards for his transformation into a large, rocky creature. Whenever he is confronted with a scientific challenge, his attention can be so focused that he can neglect even his own family which has caused marital problems between him and Sue and has put his family in danger on rare occasions. He is, however, the husband of Susan Storm, father of son Franklin Richards and daughter Valeria Richards, and mentor of the Human Torch. According to BusinessWeek, Mr. Fantastic is listed as one of the top ten most intelligent fictional characters in American comics.