Youth and education Carl Georg Barth was born in
Christiania, Norway (now Oslo). He was the fourth child of Jakob Boeckman Barth (1822–1892), a lawyer and Adelaide Magdeline Lange Barth (1828- 1897), daughter of a Danish clergyman.
Agnar Johannes Barth was his brother. He received his early education in the public schools at
Lillehammer. He was a graduate from
University at Christiania. He later attended the
Royal Norwegian Navy technical school at
Horten.
Career In 1899, efficiency expert
Frederick W. Taylor hired Barth to work with him at
Bethlehem Steel Company. In 1902, Taylor and Barth went to work for
William Sellers at the
machine tool firm of William Sellers & Company of
Philadelphia. An account of their application of slide rules was published in the
Transactions of the American Society of Mechanical Engineers in 1904. Barth started in 1905 on his independent career as consulting engineer. Barth became an early consultant on scientific management and later taught at
Harvard University. Barth was a
leftist and
anticapitalist.
Family In March 1882, Barth married Henrike Jakobine Fredriksen (1857–1916). They were the parents of a daughter and two sons. After his first wife's death, he married Sophia Eugenia Roever (1873–1958).
Later years In his later years, Barth worked on developing an improved method of instruction for calculus. However, poor health prevented him from publishing his work. He died of a heart attack at his home in Philadelphia in 1939. == Selected publications ==