is an American lawyer, writer, and First Lady of the United States. She is married to the 44th President of the United States, Barack ... Read full biography
Did You Know?
In 1850 Dmitri Mendeleev walked almost a thousand miles to Moscow so he could apply for the University of Moscow. He was not accepted, so he walked to St. Petersburg , where he was accepted. With that education, he later developed the Periodic Table of Elements.
