Jean Eisenstaedt Image source: Jean Eisenstaedt Jean Eisenstaedt is director of research at the Centre Nationale de Recherché Scientifique and wrote The Curious History of Relativity: How Einstein’s Theory of Gravity Was Lost and Found Again. Quotes by Jean Eisenstaedt in Time OnePhysics must be simple.It is clearly the first of the physical sciences because the whole of physics makes use of it; it is the science of the foundations of physics.Sometimes ignorance is a good thing. More about Jean Eisenstaedt The Curious History of Relativity: How Einstein's Theory of Gravity Was Lost and Found Again Albert Einstein ET