Who - A Discovery Toys Question Book Author:Kathie Billingslea Smith Who made the first rocket? — Who wrote the song "Happy Birthday to You"? — Who are the people in the circus? — Who was the first person on the Moon? — Who takes care of sick animals in the zoo? — Who made the first car? — Who sleeps during the day and stays awake at night? — Who made the first computer? — Who makes the toys in the toy store? — Who invent... more »ed the telephone?