EMMETT W. CHAPPELLE Biography - Famous Scientists


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Chappelle is the recipient of 14 U.S. patents and was recently recognized as one     
of the 100 most distinguished African American scientists and engineers of the       
20th Century.                                                                       
He started with NASA in 1966 in support of NASA's manned space flight               
initiatives. He pioneered the development of the ingredients ubiquitous in all       
cellular material. Later, he developed techniques that are still widely used for     
the detection of bacteria in urine, blood, spinal fluids, drinking water and         
In 1977, Chappelle turned his research efforts toward the remote sensing of         
vegetation health through laser-induced fluorescence (LIF). Working with             
scientists at the Beltsville Agricultural Research Center, he advanced the           
development of LIF as a sensitive means of detecting plant stress.                   
Chappelle received a bachelor's of science degree in biochemistry from               
University of California at Berkley. He earned his master's of science degree,       
also in biochemistry, from University of Washington in Seattle and performed         
post-graduate work at Stanford University in Palo Alto, Calif.                       
Chappelle is a member of the American Chemical Society, the American Society of     
Biochemistry and Molecular Biology, the American Society of Photobiology, the       
American Society of Microbiology, and the American Society of Black Chemists.       
Throughout his career, he has continued to mentor talented minority high school     
and college students in his laboratories.