Heinrich Roman Riikoja (until 1924 Reichenbach; 8 March 1891

Rakke Rakke is a small borough ( et, alevik) in Väike-Maarja Parish, Lääne-Viru County, Estonia. Rakke has a population of 1015. Before the 2017 Administrative Reform, Rakke was the administrative centre of Rakke Parish. Notable people * Õnne ...

– 31 October 1988

Tartu Tartu is the second largest city in Estonia after the Northern European country's political and financial capital, Tallinn. Tartu has a population of 91,407 (as of 2021). It is southeast of Tallinn and 245 kilometres (152 miles) northeast of ...

) was an Estonian zoologist and hydrobiologist. From 1910 to 1918, he studied at the University of Tartu, initially chemistry and later natural sciences. He participated in the Estonian War of Independence. From 1919 to 1958 he taught at the University of Tartu. From 1920 onward, he directed investigations of Estonian inland bodies of water. He is known as the founder of Estonian hydrobiology. Among other things, he compiled a list of Estonian lakes and a list of Estonian fishes. In 1940 he was the rector of the University of Tartu. From 1922 to 1943, he was the representative of Estonia to

International Society of Limnology The International Society of Limnology (SIL) is an international scientific society that disseminates information among limnology, limnologists, those who study all aspects of inland waters, including their physics, chemistry, biology, geology, and ...

. Awards: * 1945: Estonian SSR merited scientist * 1977: Estonian SSR state prize

Works

* ''Zooloogia praktikum keskkoolidele'' (1921) * ''Selgrootute loomade süstemaatiline nimestik'' (1923, with

Johannes Voldemar Veski Johannes Voldemar Veski (27 June 1873 Vaidavere, Tartu County – 28 March 1968 Tartu) was an Estonian linguist. From 1896 until 1899, he studied at the University of Tartu; at the beginning he studied religion and thereafter nature sciences. F ...

) * ''Kodumaa kalad'' (1927) * ''Eestikeelseid zooloogilisi oskussõnu'' (1930, with Johannes Voldemar Veski) * ''Tamula ja Vagula järv'' (1932–33) * ''Aegviidu ümbruse järvedest'' (1935–36) * ''Eesti järvede nimestik'' (1934, with

Jaan Port Jaan Port (9 February 1891 in Raassilla, Holstre Parish (now, Viljandi Parish) – 24 January 1950 in Tartu) was an Estonian botanist. He graduated from the University of Tartu in 1926. From 1927 to 1929 Port complemented his gardening knowle ...

and others) * ''Eesti NSV kalad'' (1950)

References

1891 births 1988 deaths Estonian zoologists Estonian biologists University of Tartu alumni Academic staff of the University of Tartu Rectors of the University of Tartu People from Väike-Maarja Parish {{Estonia-academic-bio-stub