More on Emmett Chappelle from Infoplease:

• Emmett Chappelle - Biography of Emmett Chappelle, Through his discovery that a specific combination of chemicals caused living organisms to emit light, Chappelle facilitated important findin…
• Emmett W. Chappelle - Emmett W. Chappelle biochemist Born: 10/25/1925 Birthplace: Phoenix, Ariz. Emmett W. Chappelle ...
• National Inventors Hall of Fame 2007 Inductees - Inductees to the National Inventors Hall of Fame in 2007.
• African American Scientists & Inventors - Read biographies of notable African-American scientists, including Benjamin Banneker, George Washington Carver, Patricia Bath, and more.
• The National Inventors Hall of Fame - The National Inventors Hall of Fame The Inventors Hall of Fame, located in Akron, Ohio, was ...