Albert Einstein's Relativity: The Special and the General Theory (1920) is a cornerstone of modern physics. Einstein intended this book for those readers who, from a general scientific and philosophical point of view, are interested in the theory, but who are not conversant with the mathematical apparatus. Indeed, within the vast literature on the philosophy of space and time, Einstein's Relativity shall remain an illuminable and intelligible exposition, highly quotable as one of the most lucid presentations of the subject matter, and a launching pad for any further inquiry on the fascinating features of our universe.About the Author: Albert Einstein (1879-1955) was the modern world's greatest scientific superstar. A Nobel laureate, the author of the special and the general theories of relativity, and a key figure in the birth of quantum mechanics, Einstein was also a humanist fighter for peace and freedom.