The University of South Wales has put together one of the finest sites dealing with Einstein's discoveries in a creative, digestible format. It includes multimedia modules illustrating relativity, electromagnetism, time dilation, and important historical backdrops for Galileo, Newton, and Maxwell.
The American Museum of Natural History has created an educational festival that covers the multi-faceted life of the great physicist. Pay special attention to images of actual historical documents from his archives — in particular, note the pages of calculations he was working on while in the hospital trying to discover the grand unified theory.
Fred Jerome, co-author of Einstein on Race and Racism, points out in this article for the journal Socialism and Democracy that Einstein should be recognized for his social activism and human decency — not just for his genius.
is a theoretical physicist and director of BEYOND: The Center for Fundamental Concepts in Science at Arizona State University. He has written widely about Einstein's understanding of time, including How to Build a Time Machine.
is a theoretical physicist and John S. Toll Professor of Physics at the University of Maryland. He's written widely on string theory, and has advanced unified field theories of the type first envisioned by Einstein.