Christopher Rose lives in Southern California. He is a high school history teacher. Rose holds a B.A. from Pomona College and an M.A. from the Claremont Graduate University. Explorers - The Most Influential in History is his first book. He has a collection of over 1,000 famous people on stamps. Rose holds the Guinness record for the world’s tallest rose bush at 18 feet, 8 inches. He is currently working on his next book, Mathematicians – the Most Influential in History.