FREE Famous People Mini Quiz Pack Volume 2 – Inventors. What do George Stephenson, Matthias William Baldwin, Richard Trevithick, and Peter Cooper all have in common? They were all inventors whose inventions changed the way we live our lives and do our work today. But what did they invent, and why? Learn about these men, their inventions, and what the world was like in their day with this mini quiz pack that is perfect for upper middle school and high school students.