Sergey Pavlovich Tolstov (Russian: Сергей Павлович Толстов, 1907 — 1976) was a Russian and Soviet archaeologist and ethnographer. Tolstov was the organizer and the first director (between 1937 and 1969) of the Xorazm Archeological and Ethnographic Expedition credited with discovery and investigation of archeological monuments of Khwarezm. He is also the author of the book Old Khwarezm, the seminal work in the field. In 1953, Tolstov was elected the corresponding member of the Academy of Sciences of the Soviet Union.
Tolstov was born in Saint Petersburg, his father was a military officer. In 1930, he graduated from Moscow State University, where he studied at two faculties simultaneously: Physics and mathematics, and History and ethnology. Between 1929 and 1936 he was a researcher at the Museum of Peoples of the Soviet Union.
In 1939, Tolstov was appointed the head of the newly created Department of Ethnography at Moscow State University, and in 1942 he became the director of the Ethnography Institute of the Academy of Sciences of the Soviet Union. This made him the highest ranked ethnographer in the Soviet Union.
Sergey may refer to:
Sergey is a municipality in the district of Jura-Nord Vaudois in the canton of Vaud in Switzerland.
Sergey is first mentioned in 1321 as Sergeys.
Sergey has an area, as of 2009, of 1.5 square kilometers (0.58 sq mi). Of this area, 0.98 km2 (0.38 sq mi) or 67.1% is used for agricultural purposes, while 0.28 km2 (0.11 sq mi) or 19.2% is forested. Of the rest of the land, 0.21 km2 (0.081 sq mi) or 14.4% is settled (buildings or roads).
Of the built up area, housing and buildings made up 4.1% and transportation infrastructure made up 4.1%. Power and water infrastructure as well as other special developed areas made up 6.2% of the area Out of the forested land, 16.4% of the total land area is heavily forested and 2.7% is covered with orchards or small clusters of trees. Of the agricultural land, 51.4% is used for growing crops and 15.8% is pastures.
The municipality was part of the Orbe District until it was dissolved on 31 August 2006, and Sergey became part of the new district of Jura-Nord Vaudois.