Background
Duvall, Charles Raymond was born on January 2, 1869 in Clarke Company, Virginia, United States. Son of Charles Henry and Rachel Jennie (Jackson) Duvall.
Duvall, Charles Raymond was born on January 2, 1869 in Clarke Company, Virginia, United States. Son of Charles Henry and Rachel Jennie (Jackson) Duvall.
Bachelor of Science, West Virginia University, 1891. Graduate student in mathematics and physics, Johns Hopkins, 1892-1896.
Computer, United States Coast and Geodetic Survey, 1899-1913. Expert computer, Department Terrestrial Magnetism, Carnegie Institution, Washington, 1913-1937.
Married Carrie Opie, June 6, 1900. Children: Mistress Virginia Cordani, Charles Fenton, Lindsay Opie, Raymond Opie, Edwin Leroy, William David.