Benjamin Franklin Baldwin (December 15, 1777 – October 11, 1821) was one of the five sons of
Loammi Baldwin
Colonel Loammi Baldwin (January 10, 1744 – October 20, 1807) was a noted American engineer, politician, and a soldier in the American Revolutionary War.
Baldwin is known as the Father of American Civil Engineering. His five sons, Cyrus ...
of
Woburn, Massachusetts
Woburn ( ) is a city in Middlesex County, Massachusetts, United States. The population was 40,876 at the 2020 census. Woburn is located north of Boston. Woburn uses Massachusetts' mayor-council form of government, in which an elected mayor is ...
.

Baldwin held the office of captain in the militia from 1800 to 1805, of major from 1807 to 1811, and of lieutenant-colonel of the local regiment from 1811 to 1816. Rolls of his company of date 1802 are extant. It is said that in addition to his other pursuits he devoted himself to the business of civil engineering, and assisted his brother in the construction of the mill dam across the
Back Bay
Back Bay is an officially recognized neighborhood of Boston, Massachusetts, built on reclaimed land in the Charles River basin. Construction began in 1859, as the demand for luxury housing exceeded the availability in the city at the time, and ...
of Boston, and in other works. Benjamin and his wife Mary Carter Brewster had five children: Mary Brewster (1809–1817), Clarissa (1810–1813), Loammi (1813–1855), Mary Brewster (1815–1854), and Clarissa Coolidge (1819–1900).
[The Woburnites: The Family of Baldwin, http://www.yeoldewoburn.net/Baldwin.htm]
Civil engineering family
Along with his brothers,
Cyrus Baldwin (1773–1854),
Loammi Baldwin, Jr.
Loammi Baldwin Jr. (May 16, 1780 – June 30, 1838) was an American civil engineer. His father was Col. Loammi Baldwin, a prominent civil engineer.
Biography
Baldwin was born at North Woburn, Massachusetts living at Baldwin House aka "The Baldw ...
(1780–1834),
James Fowle Baldwin
James Fowle Baldwin (April 29, 1782 – May 20, 1862) was an early American civil engineer who worked with his father and brothers on the Middlesex Canal, surveyed and designed the Boston and Lowell Railroad and the Boston and Albany Railroad, the ...
(1782–1862), and
George Rumford Baldwin (1798–1888), he was a noted
civil engineer
A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing i ...
, having assisted his father in conducting the original survey for the
Middlesex Canal
The Middlesex Canal was a 27-mile (44-kilometer) barge canal connecting the Merrimack River with the port of Boston. When operational it was 30 feet (9.1 m) wide, and 3 feet (0.9 m) deep, with 20 locks, each 80 feet (24 m) long and between 10 and ...
at the age of nine and assisted his brother in the construction of the mill dam across the Back Bay of Boston, among various other civil engineering achievements.
The structure was originally conceived as a means to industrialize the Back Bay
[Brighton Allston Historical Society, http://www.bahistory.org/HistoryMillDam.html] but ultimately led to the creation of the
Back Bay neighborhood[Boston Rocks, http://bostongeology.com/boston/casestudies/fillingbackbay/fillingbackbay.htm] and is considered "one of the greatest engineering accomplishments of early 19th century Boston..."
Along with Cyrus Baldwin, Benjamin was also responsible for surveying the
Merrimack River
The Merrimack River (or Merrimac River, an occasional earlier spelling) is a river in the northeastern United States. It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into Mass ...
in 1818 for the purpose of making navigational improvements.
[Middlesex Canal Association, www.middlesexcanal.org]
References
{{DEFAULTSORT:Baldwin, Benjamin Franklin
1777 births
1821 deaths
People from Woburn, Massachusetts
American civil engineers
Benjamin