||Fantastic Four [Mr. Fantastic; Human Torch [Johnny Storm]; Invisible Girl; the Thing]; Dr. Santini [Mad Thinker]; Crystal
||Ben is driven mad by the treatments of Dr. Santini, revealed to be the Mad Thinker, and attacks the rest of the FF.
||Stan Lee; Jack Kirby (co-plot)
||Kirby co-plot credit was acknowledged by Lee and Kirby in several interviews. The credit here read "Why are Stan "The Man" Lee and Jack "King" Kirby the most honored creative team in all of comicdom?"
||in Marvel's Greatest Comics (Marvel, 1969 series) #52; in Fantastici Quattro, I (Editoriale Corno, 1971 series) #66