Scope and Content: Sylvanus Thayer was commissioned 2nd lieutenant in the U.S. Army Corps of Engineers in 1808, served as superintendent of the U.S. Military Academy at West Point, 1817-1833, and was then U.S. Army engineer in charge of construction of fortifications at the entrance to Boston Harbor and of improvements to New England harbors generally; he retired from the Army in 1863 with the brevetted rank of  brigadier-general.  He established the Thayer School of Engineering at Dartmouth College in 1867, and provided a fund for a public library in Braintree, Mass., his residence.
Notes: Pieces encapsulated. Deposited at Archives on permanent loan by Braintree Historical Society, Apr. 24, 1986
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