Jennifer Berne is the award-winning author of the biographies Manfish: A Story of Jacques Cousteau and On a Beam of Light: A Story of Albert Einstein . After a successful career in advertising, Jennifer began writing for Nick Jr. Magazine and writing books about the subjects she loves most--our amazing universe and the people who are passionate about it. She lives in Copake, New York. Vladimir Radunsky has published more than thirty books for children. They have been translated into many languages, received numerous awards, and have been exhibited in France, Italy, Japan, Russia, and the United States. Vladimir Radunsky is a naturalized citizen of the United States (as was Einstein). He divides his time between New York and Rome.