Einstein's Theory Of Relativity Letter Sold For $62,500A letter Albert Einstein wrote to one of his sons in 1945 explaining the connection between his theory of relativity and the atomic bombs that had just been dropped on Japan has sold at auction for $62,500.
27 Of Einstein's Personal Letters Going On Auction BlockWhen he wasn't busy scribbling out the theory of relativity, Albert Einstein seems to have spent a fair amount of time writing letters involving topics such as God, his son's geometry studies, even a little toy steam engine an uncle gave him when he was a boy.
Notable And Quotable - History's Most Quoted Sound Off On Taxes"The only two certainties in life are death and taxes." What else have history's most-quoted people had to say about taxes?
March 14 Marks National Pi DayToday is National Pi (∏) Day.