Hans Conrad Escher von der Linth explained

Hans Conrad Escher von der Linth (born 24 August 1767 in Zürich; died 9 March 1823) was a Swiss scientist, artist, and politician. He headed the "Great Council of Switzerland" in 1798, a period of French occupation.^[1] He also published a survey of the Swiss Alps^[2] and is perhaps most significant for his work in the project to "tame" the Linth river.^[3] His son was geologist Arnold Escher von der Linth.

References

1. Book: William Maclure . John S. Doskey . The European Journals of William Maclure . 12 April 2012 . 1988 . American Philosophical Society . 978-0-87169-171-2 . 72.
2. Book: Karl Alfred von Zittel . History of geology and palæontology to the end of the nineteenth century . 12 April 2012 . 1914 . W. Scott . 90.
3. http://www.britannica.com/EBchecked/topic/192350/Hans-Conrad-Escher-von-der-Linth Hans Conrad Escher von der Linth