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'Konrad Gessner' (Conrad Gessner, Conrad Geßner, Conrad von Gesner, Conradus Gesnerus) (26 March 1516 – 13 December 1565) was a Swiss naturalist and bibliographer. His three-volume ''Historiae Animalium'' (1551-1558) is considered the beginning of modern zoology, and the flowering plant genus ''Gesneria'' (Gesneriaceae) is named after him.

Contents

Birth and education

Career

Notes

References

External links

Birth and education

Born and educated in Zürich, he was the son of a furrier. After the death of his father at the Battle of Kappel (1531), he was very short of money. He had good friends, however, in his old master, Oswald Myconius, and subsequently in Heinrich Bullinger, and he was enabled to continue his studies at the universities of Strassburg and Bourges (1532-1533); in Paris, he found a generous patron in the person of Job Steiger of Berne.

Career

In 1535, religious unrest drove him back to Zürich, where he made an imprudent marriage. His friends again came to his aid, enabled him to study at Basel (1536), and in 1537 obtained for him the professorship of Greek at the newly founded academy of Lausanne (then belonging to Berne). Here he had leisure to devote himself to scientific studies, especially botany. In 1540-1541 he visited the famous medical university of Montpellier, took his degree of doctor of medicine (1541) at Basel, and then settled down to practise at Zürich, where he obtained the post of lecturer in physics at the Carolinum. There, apart from a few journeys to foreign countries, and annual summer botanical journeys in his native land, he passed the remainder of his life. He devoted himself to preparing works on many subjects of different sorts. He died of the plague, the year after his ennoblement.
To his contemporaries he was best known as a botanist, though his botanical manuscripts were not published till long after his death (at Nuremberg, 1751-1771, 2 vols. folio), he himself issuing only the ''Enchiridion historiae plantarum'' (1541) and the ''Catalogus plantarum'' (1542) in four languages. In 1545 he published his remarkable ''Bibliotheca universalis'' (ed. by J. Simler, 1574), supposedly a catalogue (in Latin, Greek and Hebrew) of all writers who had ever lived, with the titles of their works, etc. A second part, ''Pandectarium sive partitionum universalium Conradi Gesneri Ligurini libri xxi'', appeared in 1548; only nineteen books being then concluded. The last, a theological encyclopaedia, was published in 1549, but the last but one, intended to include his medical work, was never finished.

His great zoological work, ''Historiae animalium'', appeared in 4 vols. (quadrupeds, birds, fishes) folio, 1551-1558, at Zürich, a fifth (snakes) being issued in 1587 (there is a German translation, entitled ''Thierbuch'', of the first 4 vols., Zürich, 1563): this work is the starting-point of modern zoology. Not content with such vast works, Gessner put forth in 1555 his book entitled ''Mithridates de differentis linguis'', an account of about 130 known languages, with the ''Lord's Prayer'' in twenty-two languages, while in 1556 appeared his edition of the works of Claudius Aelianus.
To non-scientific readers, Gessner is best known for his love of mountains (below the snow-line) and for his many excursions among them, undertaken partly as a botanist, but also for the sake of exercise and enjoyment of the beauties of nature. In 1541 he prefixed to his ''Libellus de lacte et operibus lactariis'' a letter addressed to his friend, J. Vogel, of Glarus, as to the wonders to be found among the mountains, declaring his love for them, and his firm resolve to climb at least one mountain every year, not only to collect flowers, but in order to exercise his body. In 1555 Gessner issued his narrative (''Descriptio Montis Fracti sive Montis Pilati'') of his excursion to the Gnepfstein (1920 m), the lowest point in the Pilatus chain.

Notes

★ Gessner was the first to document the pencil in 1565.

★ Gessner was featured on the 50 Swiss francs banknotes issued between 1978 and 1994.

★ Gessner was partly responsible for '' Insectorum, sive, Minimorum animalium theatrum'' or ''Theatre of Insects'', This work was written jointly by Gessner (posthumously) , Edward Wotton, Thomas Muffet and Thomas Penny

★ The standard botanical author abbreviation 'Gesner' (after the Latin, Gesnerus) is applied to plants described by this botanist, who should also appear on this list.

References

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★ Biographies were written by J. Hanhari (Winterthur, 1824) and J. Simler (Zürich, 1566).

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★ C. M. Pyle, “Conrad Gessner on the Spelling of his Name,” ''Archives of Natural History,'' 27 (2000), 175-186.

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★ Idem, “Conrad Gessner,” in ''Encyclopedia of the Scientific Revolution from Copernicus to Newton,'' ed. Wilbur Applebaum, New York, Garland, 2000, 265-266.

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★ Idem, “Conrad Gessner” in ''Europe 1450-1789: Encyclopedia of the Early Modern World,'' Ed. Jonathan Dewald, Charles Scribner’s Sons, New York, 2004.

External links

★ Theatre of Insects

★ Online version of Insectorvm Sive Minimorum Animalivm Theatrvm from GDZ

★ Conrad Gesner's Thierbuch, Vogelbuch, Fischbuch, Schlangenbuch, De Scorpione - Reproductions of books.

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★ Page through a virtual copy of Gessner's ''Historiae Animalium''