Paul Erich Otto Wilhelm Knuth (20 November 1854 in

Greifswald Greifswald (), officially the University and Hanseatic City of Greifswald (, Low German: ''Griepswoold'') is the fourth-largest city in the German state of Mecklenburg-Western Pomerania after Rostock, Schwerin and Neubrandenburg. In 2021 it surpa ...

– 30 October 1900 in

Kiel Kiel ( ; ) is the capital and most populous city in the northern Germany, German state of Schleswig-Holstein. With a population of around 250,000, it is Germany's largest city on the Baltic Sea. It is located on the Kieler Förde inlet of the Ba ...

) was a 19th-century

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

and

pollination Pollination is the transfer of pollen from an anther of a plant to the stigma (botany), stigma of a plant, later enabling fertilisation and the production of seeds. Pollinating agents can be animals such as insects, for example bees, beetles or bu ...

ecologist Ecology () is the natural science of the relationships among living organisms and their environment. Ecology considers organisms at the individual, population, community, ecosystem, and biosphere levels. Ecology overlaps with the closely re ...

. He studied

chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...

and

natural history Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

at the

University of Greifswald The University of Greifswald (; ), formerly known as Ernst-Moritz-Arndt University of Greifswald, is a public research university located in Greifswald, Germany, in the state of Mecklenburg-Western Pomerania. Founded in 1456, it is one of th ...

and obtained his

doctorate degree A doctorate (from Latin ''doctor'', meaning "teacher") or doctoral degree is a postgraduate academic degree awarded by universities and some other educational institutions, derived from the ancient formalism '' licentia docendi'' ("licence to teach ...

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

Iserlohn Iserlohn (; Westphalian language, 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. Geogr ...

Westphalia Westphalia (; ; ) 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 region is almost identical with the h ...

and from 1881 in

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

Schleswig-Holstein Schleswig-Holstein (; ; ; ; ; occasionally in English ''Sleswick-Holsatia'') is the Northern Germany, northernmost of the 16 states of Germany, comprising most of the historical Duchy of Holstein and the southern part of the former Duchy of S ...

and the

North Frisian Islands The North Frisian Islands (, ; ''Öömrang'' and ''Fering'' ; ''Söl'ring'' ; ) are the Frisian Islands off the coast of North Frisia. The term covers both the North Frisian Islands in the narrow sense (in Schleswig-Holstein, Germany) and the Dan ...

and meticulous studies of plant-pollinator interactions, which he published in his monumental work ''Handbuch der Blütenbiologie''
Handbook of Flower Biology
from 1898 and continued after his death by Otto Appel and Ernst Loew). 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. is ...

Buitenzorg Bogor City (), or Bogor (, ), is a landlocked city in the West Java, 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 is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

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

via

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

and

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

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 People from Greifswald