; born in Boston, Mass.
, Jan. 3, 1711; was a skilful engineer and artillerist; and chief engineer in the siege of Louisburg
, in 1745.
He entered the service, as colonel of infantry, in 1755; was in the expedition to Crown Point
, under General Winslow
, planned the fortifications at Lake George
and Fort William Henry
); served under Amherst
; and was with Wolfe
He retired as a British officer on half-pay for life.
Espousing the cause of the patriots, he was appointed chief engineer of the army that gathered at Cambridge
; planned the works on Bunker Hill
and Dorchester Heights
; and was in the battle there, in which he was wounded.
He was active in planning the fortifications around Boston
, and in September, 1775, he was commissioned a major-general in the provincial army of Massachusetts
He was commander of the Continental
artillery until superseded by Knox
He died in Stoughton, Mass.
, June 20, 1796.