Sergei Gavrilovich Navashin (russian: Серге́й Гаврилович Навашин); (14 December 1857 – 10 December 1930) was a Russian and Soviet biologist. He discovered

double fertilization Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female gametophyte ( megagametophyte, also called the embryo sac) with two male gametes (sperm). It begins when ...

in plants in 1898.

Biography

1874 — enters the Medical Surgical Academy in St. Petersburg, works on chemistry in the laboratory of A. Borodin 1878 — moves to the Moscow University, obtains Candidate degree in 1881 in Biology. Under the influence of K. Timiryazev and V. Zinger starts to study Botany. Receives a position of a laboratory assistant at the chair of Plant Physiology and later (1885) in the Petrovskaya Agricultural Academy. 1894 — is invited to work at the chair of Systematics and Morphology of the

Kiev University Kyiv University or Shevchenko University or officially the Taras Shevchenko National University of Kyiv ( uk, Київський національний університет імені Тараса Шевченка), colloquially known as KNU ...

. During 1894-1914 works as a director of the Botanical Garden of Kiev University 1896 — defends his doctoral thesis at

Odessa University Odesa I. I. Mechnykov National University ( uk, Одеський національний університет Iмені І. І. Мечникова, translit=Odeskyi natsionalnyi universytet imeni I. I. Mechnykova), located in Odesa, Ukraine, i ...

1918-1923—professor of Tbilisi University (Georgia) 1923—founds the Timiryazev Biological Institute in Moscow. Heads it till 1929.

References

External links

Sergei Gavrilovich Navashin
at www.cybertruffle.org.uk 1857 births 1930 deaths Russian biologists Corresponding members of the Saint Petersburg Academy of Sciences Full Members of the Russian Academy of Sciences (1917–1925) Full Members of the USSR Academy of Sciences Members of the Royal Society of Sciences in Uppsala {{Russia-scientist-stub