Andrei Sergeyevich Famintsyn (; 29 June ( O.S. 17 June) 1835,

Moscow Moscow is the Capital city, capital and List of cities and towns in Russia by population, largest city of Russia, standing on the Moskva (river), Moskva River in Central Russia. It has a population estimated at over 13 million residents with ...

– 8 December 1918,

Petrograd Saint Petersburg, formerly known as Petrograd and later Leningrad, is the second-largest city in Russia after Moscow. It is situated on the River Neva, at the head of the Gulf of Finland on the Baltic Sea. The city had a population of 5,601, ...

) was a

Russian Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

, public figure, and

academician An academician is a full member of an artistic, literary, engineering, or scientific academy. In many countries, it is an honorific title used to denote a full member of an academy that has a strong influence on national scientific life. Accor ...

of the

Petersburg Academy of Sciences The Russian Academy of Sciences (RAS; ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across the Russian Federation; and additional scientific and social units such ...

(1884).

Career

Famintsyn attended

Saint Petersburg State University Saint Petersburg State University (SPBGU; ) is a public research university in Saint Petersburg, Russia, and one of the oldest and most prestigious universities in Russia. Founded in 1724 by a decree of Peter the Great, the university from the be ...

and studied under Russian fungal expert

Lev Semionovich Tsenkovsky Lev Semyonovich Tsenkovsky, also Leon Cienkowski (; ) was a Russian botanist, protozoologist, and bacteriologist. He was a corresponding member of the Saint Petersburg Academy of Sciences (1881). Lev Tsenkovsky graduated from Saint Petersburg Imp ...

. In 1861, he continued his scientific career as a teacher at his

alma mater Alma mater (; : almae matres) is an allegorical Latin phrase meaning "nourishing mother". It personifies a school that a person has attended or graduated from. The term is related to ''alumnus'', literally meaning 'nursling', which describes a sc ...

and became a professor (1867-1889). In 1890, Famintsyn founded and headed the Laboratory of Plant Anatomy and Physiology of the Academy of Sciences (today's Timiryazev Institute of Plant Physiology of the

Russian Academy of Sciences The Russian Academy of Sciences (RAS; ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across the Russian Federation; and additional scientific and social units such ...

). Famintsyn is considered the founding father of the Petersburg School of plant physiologists (

Ivan Borodin Ivan Parfenievich Borodin (Иван Парфеньевич Бородин; 30 January 1847 - 5 March 1930) was a Russian botanist, academician, and the founding president of the Russian Botanical Society. A number of plants, including the genus Bor ...

, Alexander Batalin, Dmitry Ivanovsky and others). In 1887, he authored the first Russian textbook on

plant physiology Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. Plant physiologists study fundamental processes of plants, such as photosynthesis, respiration, plant nutrition, plant hormone functions, tr ...

. In 1906-1909, he was the president of the

Free Economic Society Free Economic Society for the Encouragement of Agriculture and Husbandry () was Russia's first learned society which formally did not depend on the government and as such came to be regarded as a bulwark of Russian liberalism. 18th century One ...

. In 1915, Famintsyn was elected honorary president of the

Russian Botanical Society Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...

Research

His major works were dedicated to

photosynthesis Photosynthesis ( ) is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabo ...

and

plant metabolism Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. Plant physiologists study fundamental processes of plants, such as photosynthesis, respiration, plant nutrition, plant hormone functions, tropi ...

. He was the first to use artificial light for plant growing and research, using

kerosene lamp A kerosene lamp (also known as a paraffin lamp in some countries) is a type of lighting device that uses kerosene as a fuel. Kerosene lamps have a wick or mantle as light source, protected by a glass chimney or globe; lamps may be used on a t ...

s in the mid 1860s to measure how much energy plants used. Famintsyn showed that

carbon dioxide Carbon dioxide is a chemical compound with the chemical formula . It is made up of molecules that each have one carbon atom covalent bond, covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at norma ...

conversion by plants and formation of

starch Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds. This polysaccharide is produced by most green plants for energy storage. Worldwide, it is the most common carbohydrate in human diet ...

may occur under artificial lighting. He and his student

Osip Baranetsky Osip (Russian ''О́сип'') is a Russian male given name, a variant of the name Joseph. Notable people with the name include: * Osip Abdulov (1900–1953), Soviet actor * Osip Aptekman, Russian revolutionary * Ossip Bernstein (1882–1962), Uk ...

were the first to separate unicellular

green algae The green algae (: green alga) are a group of chlorophyll-containing autotrophic eukaryotes consisting of the phylum Prasinodermophyta and its unnamed sister group that contains the Chlorophyta and Charophyta/ Streptophyta. The land plants ...

from

lichens A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...

. Famintsyn discovered the

symbiosis Symbiosis (Ancient Greek : living with, companionship < : together; and ''bíōsis'': living) is any type of a close and long-term biological interaction, between two organisms of different species. The two organisms, termed symbionts, can fo ...

of algae with

radiolaria The Radiolaria, also called Radiozoa, are unicellular eukaryotes of diameter 0.1–0.2 mm that produce intricate mineral skeletons, typically with a central capsule dividing the cell into the inner and outer portions of endoplasm and ect ...

and he developed a theory of

symbiogenesis Symbiogenesis (endosymbiotic theory, or serial endosymbiotic theory) is the leading evolutionary theory of the origin of eukaryotic cells from prokaryotic organisms. The theory holds that mitochondria, plastids such as chloroplasts, and possibl ...

, alongside

Konstantin Mereschkowski Konstantin Sergeevich Mereschkowski ( rus, Константи́н Серге́евич Мережко́вский, p=mʲɪrʲɪˈʂkofskʲɪj; – 9 January 1921) was a Russian biologist and botanist, active mainly around Kazan, whose resea ...

Career

Research

References

Further reading