Armen Takhtajan

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Armen Takhtajan
Armen Takhtajan
Takhtajan on a 2021 stamp of Artsakh
Born	(1910-06-10)10 June 1910 Shusha, Elizavetpol Governorate, Russian Empire
Died	13 November 2009(2009-11-13) (aged 99) Saint Petersburg, Russian Federation
Citizenship	USSR
Alma mater	Yerevan State University
Known for	"Takhtajan system" of flowering plant classification
Children	Leon Takhtajan
Scientific career
Fields	Botany
Institutions	Yerevan State University Leningrad University
Author abbrev. (botany)	Takht.
Signature

Armen Leonovich Takhtajan or Takhtajian (Armenian: Արմեն Լևոնի Թախտաջյան; Russian: Армен Леонович Тахтаджян; surname also transliterated Takhtadjan, Takhtadzhi︠a︡n or Takhtadzhian, pronounced takh-tuh-JAHN; 10 June 1910 – 13 November 2009), was a Soviet-Armenian botanist, one of the most important figures in 20th century plant evolution and systematics and biogeography. His other interests included morphology of flowering plants, paleobotany, and the flora of the Caucasus. He was one of the most influential taxonomists of the latter twentieth century.