Trygve Braarud (15 September 1903 – 9 July 1985) was a Norwegian botanist. He specialized in marine biology, and was affiliated with the

University of Oslo The University of Oslo ( no, Universitetet i Oslo; la, Universitas Osloensis) is a public research university located in Oslo, Norway. It is the highest ranked and oldest university in Norway. It is consistently ranked among the top universit ...

for most of his career.

Career

He was born in

Verdal Verdal is a municipality in Trøndelag county, Norway. It is part of the Innherad region. The administrative centre of the municipality is the town of Verdalsøra. Some villages in the municipality include Forbregd/Lein, Lysthaugen, Stiklest ...

, and had ten older siblings as well as a twin sister. He received some of his early schooling at a private teaching institution founded by his father. He

finished Finished may refer to: * ''Finished'' (novel), a 1917 novel by H. Rider Haggard * ''Finished'' (film), a 1923 British silent romance film * "Finished" (short story), a science fiction short story by L. Sprague de Camp See also *Finishing (disa ...

his secondary education at

Trondheim Cathedral School Trondheim Cathedral School ( no, Trondheim katedralskole, Latin: ''Schola Cathedralis Nidrosiensis'') is an upper secondary school located next to the Nidaros Cathedral in the center of Trondheim, Norway. History There is great dispute regarding ...

in 1921, and graduated from the

with the

cand.real. Candidatus realium or candidata realium (abbreviated cand. real.) is a former academic degree used in Norway, and conferred in mathematics and natural sciences. It was abolished in 1985. There was originally no set duration for the completion of th ...

degree in 1927. In his early career he published the work ''The 'Øst' Expedition to the Denmark Strait 1929'' in two volumes. The first volume, ''Hydrography'', was published together with J. T. Ruud in 1932. The second volume, ''The Phytoplankton and its Conditions of Growth'' came in 1935 and earned Braarud the dr.philos. degree. He had taken up

planktology Planktology is the study of plankton, various small drifting plants, animals and microorganisms that inhabit bodies of water. Planktology topics include primary production, energy flow and the carbon cycle. Plankton drive the "biological pump", ...

as a

research assistant A research assistant (RA) is a researcher employed, often on a temporary contract, by a university, a research institute or a privately held organization, for the purpose of assisting in academic or private research. Research assistants are not in ...

of Haaken Hasberg Gran at the botanical laboratory, a position he held from 1926 to 1933. From 1934 to 1936 he was a

research fellow A research fellow is an academic research position at a university or a similar research institution, usually for academic staff or faculty members. A research fellow may act either as an independent investigator or under the supervision of a pr ...

plant physiology Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. Closely related fields include plant morphology (structure of plants), plant ecology (interactions with the environment), phytochemistry (bi ...

; in 1935 he spent some time working with

August Krogh Schack August Steenberg Krogh (15 November 1874 – 13 September 1949) was a Danish professor at the department of zoophysiology at the University of Copenhagen from 1916 to 1945. He contributed a number of fundamental discoveries within several ...

in Denmark. Braarud then worked as an associate professor at the University of Oslo from 1936 to 1947, and then as a professor of

marine biology Marine biology is the scientific study of the biology of marine life, organisms in the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies s ...

from 1947. He co-founded ''Norske havforskeres forening'' in 1949, and was its spokesperson from 1962 to 1965. He was also a vice president of the

Scientific Committee on Oceanic Research The Scientific Committee on Oceanic Research (SCOR) is an interdisciplinary body of the International Science Council. SCOR was established in 1957, coincident with the International Geophysical Year of 1957-1958. It sought to bring scientists t ...

. He was a member of the

Norwegian Academy of Science and Letters The Norwegian Academy of Science and Letters ( no, Det Norske Videnskaps-Akademi, DNVA) is a learned society based in Oslo, Norway. Its purpose is to support the advancement of science and scholarship in Norway. History The Royal Frederick Univer ...

from 1942, the Royal Swedish Society of Sciences and Letters in

Gothenburg Gothenburg (; abbreviated Gbg; sv, Göteborg ) is the second-largest city in Sweden, fifth-largest in the Nordic countries, and capital of the Västra Götaland County. It is situated by the Kattegat, on the west coast of Sweden, and has ...

from 1959 and the

Royal Danish Academy of Sciences and Letters {{Infobox organization , name = The Royal Danish Academy of Sciences and Letters , full_name = , native_name = Det Kongelige Danske Videnskabernes Selskab , native_name_lang = , logo = Royal ...

from 1963. He died in 1985 in Oslo. He was honored in 1947, when botanist

Georges Victor Deflandre Georges may refer to: Places *Georges River, New South Wales, Australia *Georges Quay (Dublin) * Georges Township, Fayette County, Pennsylvania Other uses * Georges (name) * ''Georges'' (novel), a novel by Alexandre Dumas * "Georges" (song), a 19 ...

published '' Braarudosphaera'', a type of Algae in Compt. Rend. Hebd. Seances Acad. Sci. vol.225 on page 439 in 1947.

References

{{DEFAULTSORT:Braarud, Trygve 1903 births 1985 deaths People from Verdal Norwegian marine biologists Norwegian planktologists University of Oslo alumni Academic staff of the University of Oslo Members of the Norwegian Academy of Science and Letters People educated at the Trondheim Cathedral School 20th-century Norwegian zoologists 20th-century Norwegian botanists