Benjamin Jeremy Stein (born November 25, 1944) is an American writer, lawyer, actor, and commentator on political and economic issues. He was a speechwriter for U.S. presidents Richard Nixon and Gerald Ford. Later, he entered the entertainment field and became an actor, comedian, and Emmy Award-winning game show host. He is most well-known on screen as the economics teacher in Ferris Bueller's Day Off (1986) and as Dr. Arthur Neuman in The Mask (1994) and Son of the Mask (2005).
Stein co-wrote and starred in the 2008 documentary Expelled, which portrays intelligent design creationism as a scientifically valid alternative to Darwinian evolution and alleges a scientific conspiracy against those promoting intelligent design in laboratories and classrooms. Stein is the son of economist and writer Herbert Stein, who worked at the White House under President Nixon. As a character actor he is well known for his droning, monotonous delivery. In comedy, he is known for his deadpan delivery.