1879 Born to Hermann Einstein (a featherbed salesman) and his wife Pauline in Ulm, Germany. 1884 Receives his first compass ...

There is a parlor game physics students play: Who was the greater genius? Galileo or Kepler? (Galileo.) Maxwell or Bohr?

(via NOVA PBS) To keep the universe static, Albert Einstein invented something called the cosmological constant. He later abandoned it. Decades afterward, astronomers discovered the universe’s ...