This book tells the story of famous businesspeople and inventors, by introducing evidence that survives from the era in which the person lived. It uses primary source materials to explain how we know about the person's life and how we can learn about events in the past. It can be used in the Literacy Hour as examples of biological recount. It also supports the learning strands "study the lives of famous people", fins out about aspects of the past from a range of sources, and asks and answers questions about the past.