Background
Sewall, John Ladd was born on March 30, 1920 in Wakefield, Massachusetts, United States. Son of William and Sarah Elizabeth (Trask) Sewall.
Sewall, John Ladd was born on March 30, 1920 in Wakefield, Massachusetts, United States. Son of William and Sarah Elizabeth (Trask) Sewall.
AB, Dartmouth College, 1942; Civil Engineering, Dartmouth College, 1943; Master in Applied Mechanics, University of Virginia, 1957.
Specification writer Lockheed Aircraft Corporation, Burbank, California, 1943-1944. Civil, aeronautical and aerospace engineer national advisory committee aeronautics National Aeronautics and Space Administration, Hampton, Virginia, 1946-1980.
President, vice president various PTAs, Newport News, Virginia, 1960's, 70's. Active, chairman advisory committee for People with Disabilities, Newport News, 1984-1989. Sergeant United States Army, 1944-1946, European Theatre of Operations.
Member American Institute of Aeronautics and Astronautics, Engineers Club Virginia Peninsula, Dartmouth Society Engineers.
Married Nellie Bigham Grier, October 8, 1949. Children: William Grier, Martha Dudley Sewall Rees, Richard Warren, Jonathan Mark.