Greg Hernandez · CC BY 2.0

One half of the Sherman Brothers songwriting team, which wrote more film musical scores than any other pair in Hollywood history, working with his brother Robert on Mary Poppins, The Jungle Book, and Chitty Chitty Bang Bang. Their theme park song "It's a Small World," written for the 1964 World's Fair, has been called by Time magazine possibly the most publicly performed song ever written.