Heroes of History

The life of a genius
Albert Einstein and Albert Michelson met at Mount Wilson in 1931, just before Michelson's death. From left to right are Milton Humason, Edwin Hubble, Charles St. John, Albert Michelson, Albert Einstein, W.W. Campbell and Walter S. Adams.

The life of a genius

Considered by many to be the greatest scientist of the twentieth century, Albert Einstein revolutionized scientific thought with new theories of space, time, mass, motion, and grav...

 Mar. 12
What did Albert Einstein invent?
Einstein wasn't an inventor but his work led to many important advances.

What did Albert Einstein invent?

Albert Einstein, a man whose name is practically synonymous with genius, is one of history's greatest thinkers. As a physicist and mathematician, Einstein wasn't an inventor in the vein of Thomas Edison or Alexander Graham Bell, but his theories of relativity led to new w...

 Mar. 12

The extraordinary life of Nikola Tesla

The extraordinary life of Nikola Tesla The 75th anniversary of Tesla’s death on Jan. 7 provides a timely opportunity to review the life of a man who came from nowhere yet became world famous; claimed to be devoted...

Feb. 27

The mystery of Nikola Tesla’s missing files

The mystery of Nikola Tesla’s missing files After Nikola Tesla was found dead in January 1943 in his hotel room in New York City, representatives of the U.S. government’s Office of Alien Property seized many documents ...

Feb. 27