Home Scientists Ferdinand Berthoud Ferdinand Berthoud Scientist Ferdinand Berthoud (19 March 1727 – 20 June 1807) was a Swiss chronometer-maker. Personal facts Birth dateMarch 19, 1727 Birth placeNeuchâtel CitizenshipSwitzerland Date of deathJune 20, 1807 Place of deathMontmorency Val-d'Oise facebook tumblr linkedin twitter reddit google+ Search Topical connections A. J. MundellaPolitician Alexander BrysonScientist Ferdinand Berthoud on Wikipedia Ferdinand Berthoud External resources http://books.google.com/books?id=OJQAAAAAMAAJ&pg=PA1 http://books.google.com/books?id=ch4JAAAAIAAJ&pg=PA1 http://books.google.com/books?id=vB8JAAAAIAAJ&pg=PA1