Paul Erich Otto Wilhelm Knuth (20 November 1854 in

Greifswald Greifswald (), officially the University and Hanseatic City of Greifswald (german: Universitäts- und Hansestadt Greifswald, Low German: ''Griepswoold'') is the fourth-largest city in the German state of Mecklenburg-Western Pomerania after Rosto ...

– 30 October 1900 in

Kiel Kiel () is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 246,243 (2021). Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the Jutland ...

) was a 19th-century

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

and

pollination Pollination is the transfer of pollen from an Stamen, anther of a plant to the stigma (botany), stigma of a plant, later enabling fertilisation and the production of seeds, most often by an animal or by Anemophily, wind. Pollinating agents can ...

ecologist Ecology () is the study of the relationships between living organisms, including humans, and their physical environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere level. Ecology overlaps wi ...

. He studied

chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a natural science that covers the elements that make up matter to the compounds made of atoms, molecules and ions: their composition, structure, proper ...

and natural history at the

University of Greifswald The University of Greifswald (; german: Universität Greifswald), formerly also known as “Ernst-Moritz-Arndt University of Greifswald“, is a public research university located in Greifswald, Germany, in the state of Mecklenburg-Western Pom ...

and obtained his

doctorate degree A doctorate (from Latin ''docere'', "to teach"), doctor's degree (from Latin ''doctor'', "teacher"), or doctoral degree is an academic degree awarded by universities and some other educational institutions, derived from the ancient formalism ''li ...

in 1876. He then took up a career as "high school" (Realschule) teacher, first in

Iserlohn Iserlohn (; Westphalian: ''Iserlaun'') is a city in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. It is the largest city by population and area within the district and the Sauerland region. Geography Iserlohn is locat ...

Westphalia Westphalia (; german: Westfalen ; nds, Westfalen ) is a region of northwestern Germany and one of the three historic parts of the state of North Rhine-Westphalia. It has an area of and 7.9 million inhabitants. The territory of the regio ...

and from 1881 in

. Parallel with his teaching duties, he found time to study the flora of

Schleswig-Holstein Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Sc ...

and the

North Frisian Islands The North Frisian Islands (''Öömrang'' and '' Fering'' frr, Nuurdfresk Eilunen, ''Söl'ring'' frr, Nuurđfriisk Ailönen, link=no, da, Nordfrisiske Øer, german: Nordfriesische Inseln) are the Frisian Islands off the coast of North Frisia. T ...

and meticulous studies of

plant-pollinator interactions A pollination network is a bipartite mutualistic network in which plants and pollinators are the nodes, and the pollination interactions form the links between these nodes. The pollination network is bipartite as interactions only exist between ...

, which he published in his monumental work ''Handbuch der Blütenbiologie''
Handbook of Flower Biology
from 1898 and continued after his death by

Otto Appel Friedrich Carl Louis Otto Appel (19 May 1867 – 10 November 1952) was a German botanist and agriculturalist. Appel was born in Coburg. Following work as an assistant at the Universities of Würzburg and Königsberg, he joined the newly establish ...

and

Ernst Loew Ernst is both a surname and a given name, the German, Dutch, and Scandinavian form of Ernest. Notable people with the name include: Surname * Adolf Ernst (1832–1899) German botanist known by the author abbreviation "Ernst" * Anton Ernst (1975 ...

). From 1891 he suffered from illness. He was granted leave of absence to visit the

botanic garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens, an ...

Buitenzorg Bogor ( su, , nl, Buitenzorg) is a city in the West Java province, Indonesia. Located around south of the national capital of Jakarta, Bogor is the 6th largest city in the Jakarta metropolitan area and the 14th overall nationwide.

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mo ...

, where he stayed for five months and did pollination studies. He returned to

via

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

and

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

External links

* ''Handbook of flower pollination based upon Hermann Müller's work "The fertilisation of flowers by insects"'', Clarendon Press, Oxford 1906, JR Ainsworth Davis (tr) German: https://archive.org/details/handbookofflower01knut * ''Handbuch der Blütenbiologie unter zugrundelegung von Hermann Müller's werk: “Die Befruchtung der Blumen durch Insekten”'', Verlag von Wilhelm Engelmann, Leipzig, 1898. https://archive.org/details/handbookofflower01knut

References

{{DEFAULTSORT:Knuth, Paul University of Greifswald alumni 19th-century German botanists 1854 births 1899 deaths