Arnold Escher von der Linth was a Swiss geologist, the son of Hans Conrad Escher von der Linth.
He made the first ascent of the Lauteraarhorn on 8 August 1842 together with Pierre Jean Édouard Desor and Christian Girard, and guides Melchior... Wikipedia
Born: June 8, 1807, Zürich, Switzerland
Died: July 12, 1872 (age 65 years), Zürich, Switzerland
Notable student: Johann Jacob Egli
Grandparent: Hans Caspar Escher
Parents: Hans Conrad Escher von der Linth