tcheng2 created Person: Isaac Newton
tcheng2 created Person: Albert Einstein
tcheng2 created Person: Nikola Tesla
tcheng2 created Person: Galileo Galilei
tcheng2 created Person: Leonardo da Vinci
tcheng2 created Person: Charles Darwin
tcheng2 created Person: Max Planck
tcheng2 created Person: Niels Bohr
tcheng2 created Person: Alan Turing
tcheng2 created Person: Marie Curie
tcheng2 created Person: Stephen Hawking