Einstein continues to captivate, not only for his revolutionary scientific insights but also for his complex personality and personal pursuits. In this unique contribution to the Einstein literature, physicist and acclaimed science writer, Barry Parker draws on the great scientist’s letters and personal papers to explore the intellectual and emotional passions that motivated both his work and his life. Parker focuses on five aspects of Einstein’s emotional nature that had a profound influence on his life and career. This is an original, insightful look at one of the greatest geniuses of all time who did so much to shape our vision of the world.