Milton Hershey completed only the fourth grade before he went to work as a printer's apprentice. But by the age of 18, Milton had discovered his unique calling: He would manufacture delicious, affordable confections. With ingenuity and persistence, he built his Hershey Chocolate Company into a bustling enterprise for himself and his workers -- an empire with a bank, department store, park, churches, golf courses, a zoo and even a trolley system.