Mårten Triewald FRS, sometimes referred to as Mårten Triewald the Younger, was a Swedish merchant, engineer and amateur physicist.
Mårten Triewald was the son of Mårten Triewald the Elder, a farrier and anchorsmith of German origin. Wikipedia
Born: November 18, 1691, Stockholm, Sweden
Died: August 8, 1747 (age 55 years), Stockholm, Sweden
Organization founded: Royal Swedish Academy of Sciences
Parents: Mårten Triewaldt