Julius Weisbach

In 1836 he was promoted to Professor for applied mathematics, mechanics, theory of mountain machines and so-called Markscheidekunst.

[3] Weisbach wrote an influential book for mechanical engineering students, called Lehrbuch der Ingenieur- und Maschinenmechanik, which has been expanded and reprinted on numerous occasions between 1845 and 1863.

His daughter Maria Camilla Weisbach (1835–1908) met Edward Carl Hegeler (1835–1910) when he was studying with her father at Freiberg and later married him on 5 April, 1860.

Mary worked alongside her father as a young girl and was the first woman to graduate from the University of Michigan with a bachelor's degree in engineering in 1882.

In 1885 she became the first woman to be legally enrolled to study at her grandfather's university, Bergakademie Freiberg, following a letter of recommendation from her cousin Clemens Winkler.