Because, of a heart atrtack of the war.
David Bushnell was born in 1740 in West Saybrook, Connecticut.
Bushnell's submarine was made of wood.
David Bushnell
David I. Bushnell Jr has written: 'Mounds and other ancient earthworks of the United States'
Horace Bushnell died in 1876.
Bert Bushnell died in 2010.
Katharine Bushnell died in 1946.
O. A. Bushnell died in 2002.
Edward Bushnell died in 1951.
David Bushnell was born in 1740 in West Saybrook, Connecticut.
Bushnell developed and built the Turtle in 1775 in Old Saybrook, Connecticut.
Albert Bushnell Hart died in 1943.