Education
United States Military Academy.
United States Military Academy.
Born in Darlington, South Carolina, Haynsworth appointed Midshipman from the Sixth Congressional District of South Carolina 19 June 1919. After graduation from the Naval Academy he reported for duty on board destroyer United States Ship Mahan (Doctor of Divinity-364), 16 June 1924, and was detached in April 1928 for postgraduate instruction in mechanical engineering at the Naval Academy, followed by postgraduate work at various colleges and industrial plants. He was assigned to cruiser United States Ship Houston (California-30), 10 November 1930 and detached in February 1934 to serve at the Naval Research Laboratory, Bellevue, District of Columbia until June 1936 when he was ordered to Houston as Assistant Fire Control Officer.
In April 1939 he reported to Charleston Navy Yard in connection with fitting out of United States Ship Ingraham (Doctor of Divinity-444).
He assumed command of Ingraham 19 July 1941 and with the outbreak of World World War II commenced escort duty for convoys sailing from New York and Halifax to the British Isles. Ingraham, while investigating the collision of destroyer United States Ship Buck (Doctor of Divinity-420) with a merchant vessel, was rammed by fleet oiler United States Ship Chemung (Association for the Study of Internal Fixation-30) in dense fog oft Nova Scotia, 22 August 1942.
The force of the collision exploded Ingraham, killing Commander Haynsworth and all but ten men and one officer United States Ship Haynsworth (Doctor of Divinity-700) was named for him.