Albert Einstein remains one of most famous scientists in world history. His image is instantly recognizable and for many people, Einstein personifies genius. But who was Einstein really? What was he like as a person? What did his science actually mean? From his years in Europe where he was known mainly for his scientific genius to his life in the United States where his scientific contributions declined as he aged as he became more involved in the political, humanitarian, and social concerns, Alice Calaprice, co author of Albert Einstein, a biography explores the man behind the genius.