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 univers ...

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, Stiklesta ...

, 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 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. 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. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is a ...

degree. He had taken up planktology 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 p ...

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 severa ...

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 classifie ...

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. 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 Unive ...

from 1942, the

Royal Swedish Society of Sciences and Letters The Royal Society of Arts and Sciences in Gothenburg ( sv, Kungliga Vetenskaps- och Vitterhets-Samhället i Göteborg, abbreviated KVVS and often known simply as ''Samhället'') is a Swedish Royal Academy. Its predecessor was founded in Gothenburg ...

in Gothenburg 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 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