Conrad Gessner
Encyclopedia
Conrad Gessner was a Swiss
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

 naturalist
Natural history
Natural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...

 and bibliographer. His five-volume Historiae animalium
Historiae animalium (Gesner)
Historiae animalium published at Zurich in 1551-58 and 1587, is an encyclopedic work of "an inventory of renaissance zoology" by Conrad Gesner, a doctor and professor at the Carolinum, the precursor of the University of Zurich...

(1551–1558) is considered the beginning of modern zoology
Zoology
Zoology |zoölogy]]), is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct...

, and the flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 genus Gesneria
Gesneria
Gesneria is a genus of approximately 50 species in the flowering plant family Gesneriaceae. Except for two or three odd South American species, all are native to islands of the Caribbean. The genus is classified in the tribe Gesnerieae along with the genera Bellonia, Pheidonocarpa, and...

(Gesneriaceae
Gesneriaceae
Gesneriaceae is a family of flowering plants consisting of ca. 150 genera and ca. 3,200 species in the Old World and New World tropics and subtropics, with a very small number extending to temperate areas. Many species have colorful and showy flowers and are cultivated as ornamental plants.Most...

) is named after him. He is denoted by the author abbreviation Gesner when citing
Author citation (botany)
In botanical nomenclature, author citation refers to citing the person who validly published a botanical name, i.e. who first published the name while fulfilling the formal requirements as specified by the International Code of Botanical Nomenclature...

 a botanical name
Botanical name
A botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if it concerns a plant cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...

.

Birth and education

Born and educated in Zürich
Zürich
Zurich is the largest city in Switzerland and the capital of the canton of Zurich. It is located in central Switzerland at the northwestern tip of Lake Zurich...

, Gessner 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
Oswald Myconius
Oswald Myconius was a follower of Huldrych Zwingli.He was born at Lucerne, Switzerland. His family name was Geisshüsler, and his father was a miller; hence he was also called Molitoris...

, and subsequently in Heinrich Bullinger
Heinrich Bullinger
Heinrich Bullinger was a Swiss reformer, the successor of Huldrych Zwingli as head of the Zurich church and pastor at Grossmünster...

, and he was enabled to continue his studies at the universities of Strassburg
University of Strasbourg
The University of Strasbourg in Strasbourg, Alsace, France, is the largest university in France, with about 43,000 students and over 4,000 researchers....

 and Bourges
University of Bourges
The University of Bourges was a university located in Bourges, France. It was founded by Louis XI in 1463 and deleted during french Revolution.-Notable alumni:* Patrick Adamson * John Calvin * Hugues Doneau...

 (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
Basel
Basel or Basle In the national languages of Switzerland the city is also known as Bâle , Basilea and Basilea is Switzerland's third most populous city with about 166,000 inhabitants. Located where the Swiss, French and German borders meet, Basel also has suburbs in France and Germany...

 (1536), and in 1537 obtained for him the professorship of Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 at the newly founded academy of Lausanne
Lausanne
Lausanne is a city in Romandy, the French-speaking part of Switzerland, and is the capital of the canton of Vaud. The seat of the district of Lausanne, the city is situated on the shores of Lake Geneva . It faces the French town of Évian-les-Bains, with the Jura mountains to its north-west...

 (then belonging to Berne). Here he had leisure to devote himself to scientific studies, especially botany
Botany
Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...

.

In 1540-1541 he visited the famous medical university of Montpellier
University of Montpellier
The University of Montpellier was a French university in Montpellier in the Languedoc-Roussillon région of the south of France. Its present-day successor universities are the University of Montpellier 1, Montpellier 2 University and Paul Valéry University, Montpellier III.-History:The university...

, 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, the precursor of the University of Zürich
University of Zurich
The University of Zurich , located in the city of Zurich, is the largest university in Switzerland, with over 25,000 students. It was founded in 1833 from the existing colleges of theology, law, medicine and a new faculty of philosophy....

.

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.

His great zoological
Zoology
Zoology |zoölogy]]), is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct...

 work, Historiae animalium
Historiae animalium (Gesner)
Historiae animalium published at Zurich in 1551-58 and 1587, is an encyclopedic work of "an inventory of renaissance zoology" by Conrad Gesner, a doctor and professor at the Carolinum, the precursor of the University of Zurich...

, appeared in 4 vols. (quadruped
Quadruped
Quadrupedalism is a form of land animal locomotion using four limbs or legs. An animal or machine that usually moves in a quadrupedal manner is known as a quadruped, meaning "four feet"...

s, bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

s, fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

es) folio, 1551–1558, at Zürich, a fifth (snake
Snake
Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...

s) 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. Gessner was the first to describe the brown rat
Brown Rat
The brown rat, common rat, sewer rat, Hanover rat, Norway rat, Brown Norway rat, Norwegian rat, or wharf rat is one of the best known and most common rats....

 and the guinea pig
Guinea pig
The guinea pig , also called the cavy, is a species of rodent belonging to the family Caviidae and the genus Cavia. Despite their common name, these animals are not in the pig family, nor are they from Guinea...

 in Europe.

There was extreme religious tension at the time Historiae animalium came out. Under Pope Paul IV
Pope Paul IV
Pope Paul IV, C.R. , né Giovanni Pietro Carafa, was Pope from 23 May 1555 until his death.-Early life:Giovanni Pietro Carafa was born in Capriglia Irpina, near Avellino, into a prominent noble family of Naples...

 it was felt that the religious convictions of an author contaminated all his writings, so it was added to the Roman Catholic Church
Roman Catholic Church
The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

's list of prohibited books
Index Librorum Prohibitorum
The Index Librorum Prohibitorum was a list of publications prohibited by the Catholic Church. A first version was promulgated by Pope Paul IV in 1559, and a revised and somewhat relaxed form was authorized at the Council of Trent...

. Gessner was Protestant.

Not content with such vast works, Gessner was also active as a linguist, putting forth in 1555 his book entitled Mithridates de differentis linguis, an account of about 130 known languages, with the Lord's Prayer
Lord's Prayer
The Lord's Prayer is a central prayer in Christianity. In the New Testament of the Christian Bible, it appears in two forms: in the Gospel of Matthew as part of the discourse on ostentation in the Sermon on the Mount, and in the Gospel of Luke, which records Jesus being approached by "one of his...

in twenty-two languages.

In 1556 appeared his edition of the works of Claudius Aelianus
Claudius Aelianus
Claudius Aelianus , often seen as just Aelian, born at Praeneste, was a Roman author and teacher of rhetoric who flourished under Septimius Severus and probably outlived Elagabalus, who died in 222...

. It includes sketches for many well known animals, and some fictional ones, including unicorns and mermaids.

He died of the plague
Bubonic plague
Plague is a deadly infectious disease that is caused by the enterobacteria Yersinia pestis, named after the French-Swiss bacteriologist Alexandre Yersin. Primarily carried by rodents and spread to humans via fleas, the disease is notorious throughout history, due to the unrivaled scale of death...

, the year after his ennoblement.

Legacy

To his contemporaries he was best known as a botanist, although his botanical manuscripts were not published (in Nuremberg
Nuremberg
Nuremberg[p] is a city in the German state of Bavaria, in the administrative region of Middle Franconia. Situated on the Pegnitz river and the Rhine–Main–Danube Canal, it is located about north of Munich and is Franconia's largest city. The population is 505,664...

, 1751–1771, 2 vols. folio) until long after his death, 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
Bibliotheca universalis
Bibliotheca universalis was the first truly comprehensive "universal" listing of all the books of the first century of printing...

(ed. by J. Simler, 1574), supposedly a catalogue (in Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

, Greek and Hebrew
Hebrew language
Hebrew is a Semitic language of the Afroasiatic language family. Culturally, is it considered by Jews and other religious groups as the language of the Jewish people, though other Jewish languages had originated among diaspora Jews, and the Hebrew language is also used by non-Jewish groups, such...

) of all writers who had ever lived, with the titles of their works, etc. A second part, Pandectarum sive partitionum universalium 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.
Gessner in 1551 was the first to describe adipose tissue
Adipose tissue
In histology, adipose tissue or body fat or fat depot or just fat is loose connective tissue composed of adipocytes. It is technically composed of roughly only 80% fat; fat in its solitary state exists in the liver and muscles. Adipose tissue is derived from lipoblasts...

; and in 1565 the first to document the pencil.

Among his friends was John Caius
John Caius
John Caius , also known as Johannes Caius, was an English physician, and second founder of the present Gonville and Caius College, Cambridge.-Early years:...

, English
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 court physician
Physician
A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

 to the Tudors and second founder of Gonville and Caius College, Cambridge
Cambridge
The city of Cambridge is a university town and the administrative centre of the county of Cambridgeshire, England. It lies in East Anglia about north of London. Cambridge is at the heart of the high-technology centre known as Silicon Fen – a play on Silicon Valley and the fens surrounding the...

.

To non-scientific readers, Gessner is best known for his love of mountain
Mountain
Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

s (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
Glarus
Glarus is the capital of the Canton of Glarus in Switzerland. Glarus municipality since 1 January 2011 incorporates the former municipalities of Ennenda, Netstal and Riedern....

 on 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 he issued his narrative (Descriptio Montis Fracti sive Montis Pilati) of his excursion to the Gnepfstein (1920 m), the lowest point in the Pilatus chain. he aso made the dog

Gessner was posthumously partly responsible for Insectorum, sive, Minimorum animalium theatrum or Theatre of Insects, written jointly by him with Edward Wotton, Thomas Muffet
Thomas Muffet
Thomas Muffet was an English naturalist and physician. He is best known for his Puritan beliefs, his study of insects in regards to medicine , his support of the Paracelsian system of medicine, and his emphasis on the importance of experience over reputation in the field of medicine.-Early...

 and Thomas Penny
Thomas Penny
Thomas Penny was an English physician and early entomologist. His solo works have not survived and he is primarily known through quotations from other sixteenth century biologists. It is believed that he broke with Aristotle on classification of caterpillars. He was also a Puritan and as such kept...

.

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

See also

  • Bloodhound and Rache
    Rache
    Rache , also spelt 'racch', 'rach', and 'ratch', from Old English 'ræcc', linked to Old Norse 'rakkí', is an obsolete name for a type of hunting-dog used in Britain in the Middle Ages. It was a scent hound used in a pack to run down and kill game, or bring it to bay. The word appears before the...

     for other pictures from Gessner's work

External links

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