Daniel Chapman Stillson

Daniel Chapman Stillson (March 25, 1826 – August 23, 1899) was an American inventor.

He was the son of William Stillson and Nancy Chapman.

[1] He was a machinist during the American Civil War and served on David Glasgow Farragut's first voyage as a vice admiral.

He then worked as a machinist at the J. J. Walworth Company in the Cambridgeport section of Cambridge, Massachusetts.

[3] He died on August 23, 1899, and is buried at Mount Auburn Cemetery in Cambridge and Watertown, Massachusetts.

Monkey and Stillson wrenches