Michael Faraday (born near London, England, 1791; died Hampton Court, England, August 25, 1867) was an important and famous scientist. He discovered electromagnetism. He also conducted experiments regarding valence. Children could learn more about Faraday at: Michael Faraday. They could also learn how to make an electromagnet at: electromagnet.
Esphyr Slobodkina (born Siberia, 1908; died Glen Head, New York, July 21, 2002) was an author and illustrator. One of her books is Caps for Sale, which has sold more than two million copies. She wrote twenty other books. Children can learn more at: Esphyr Slobodkina.