# McCormack-Dickstein Committee > [!note] Stub — fill out The U.S. House Special Committee on Un-American Activities (1934–35), chaired by John McCormack and Samuel Dickstein, a precursor to the [[House Un-American Activities Committee]]. It investigated Maj. Gen. [[Smedley Butler]]'s allegations of the [[Business Plot]] and concluded the plot was real, though no prosecutions followed. Expand.