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Originally appearing in Volume V24, Page 322 of the 1911 Encyclopedia Britannica.
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JOHANN JAKOB SCHEUCHZER (1672-1733), Swiss savant, was born at Zurich on the 2nd of August 1672. The son of the senior town physician (or Archiater) of Zurich, he received his education in that place, and in 1692 went to the university of Altdorf nearNuremberg, being intended for the medical profession. Early in 1694 he took his degree of doctor in medicine at the university of Utrecht, and then returned to Altdorf to complete his mathematical studies. He went back to Zurich in 1696, and was made junior town physician (or Poliater), with the promise of the professorship of mathematics; this he obtained in 1710, being promoted to the chair of physics, with the office of senior town physician, in January 1733, a few months before his death on the 23rd of June. His published works (apart from numerous articles) were estimated at thirty-four in number. His historical writings are mostly still in MS. The more important of his published writings relate either to his scientific observations (all branches) or to his journeys, in the course of which he collected materials for these scientific works. In the former category are his Beschreibung der Naturgeschichte des Schweitzerlandes (3 vols., Zurich, 1706-1708, the 3rd volume containing an account in German of his journey of 1705; a new edition of this book and, with important omissions, of his 1723 work, was issued, in 2 vols., in 1746, by J. G. Sulzer, under the title of Naturgeschichte des Schweitzerlandes sammt seinen Reisen fiber die schweitzerischen Gebfrge), and his Helvetiae historia naturalis oder Naturhistorie des Schweitzerlandes (published in 3 vols., at Zurich, 1716-1718, and reissued in the same form in 1752, under the German title just given). The first of the three parts of the last-named work deals with the Swiss mountains (summing up all that was then known about them, and serving as a link between Simler's work of 1574 and Gruner's of 176o), the second with the Swiss rivers, lakes and mineral.baths, and the third with Swiss meteorology and geology. Scheuchzer-'s works, as issued in 1746 and in 1752, formed (with Tschudi's Chronicum Helveticum) one of the chief sources for Schiller's play of Wilhelm Tell (1804). In 1704 Scheuchzer was elected a F.R.S.; he published many scientific notes and papers in the Philosophical Transactions for 1706-1707, 1709 and 1727-1728. In the second category are his Itinera alpina tria (made in 1702-1704), which was published in London in 1708, and dedicated to the Royal Society, while the plates illustrating it were executed at the expense of various fellows of the society, including the president, Sir Isaac Newton (whose imprimatur appears on the title-page), Hans Sloane, Dean Aldrich, Humfrey Wanley, &c. The text is written in Latin, as is that of the definitive work describing his travels (with which is incorporated the 1708 volume) that appeared in 1723 at Leiden, in four quarto volumes, under the title of Itinera per Helvetiae alpinas regiones facia annis 1702-1711. These journeys led Scheuchzer to almost every part of Switzerland, particularly its central and eastern districts. Apropos of his visit (1705) to the Rhone glacier, he inserts a full account of the other Swiss glaciers, as far as they were then known, while in 1706, after mentioning certain wonders to be seen in the museum at Lucerne, he adds reports by' men of good faith who had seen dragons in Switzerland. He doubts their existence, but illustrates the reports by fanciful representations of dragons, which have led some modern writers to depreciate his merits as a traveller and naturalist, for the belief in dragons was then widely spread. In 1712 he published a map of Switzerland in four sheets (scale 1/290,000), of which the east portion (based on his personal observations) is far the most accurate, though the map as a whole was the best map of Switzerland till the end of the 18th century. At the end of his 1723 book he gives a full list (covering 27 4t0 pages) of his writings from 1694 to 1721. See F. X. Hoeherl, J. J. Scheuchzer, der Begrander d. phys. Geographie d. Hochgebirges (Munich, 1901), a useful little pamphlet, conveniently summarizing Scheuchzer's scientific views. (W. A. B. C.)
End of Article: JOHANN JAKOB SCHEUCHZER (1672-1733)

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