1887 – born 25 November, in Moscow.

1911 – graduated from the Moscow Agricultural Institute.

1917–1921 – professor of the agronomy department of the Saratov University.

1919 – theory of the immunity for plants.

1920 – formulation of the law of homology series in genetical mutability.

mid 1920s – Vavilov befriends the young peasant Trofim Lysenko and begins taking him to scientific meetings
1921−1940 – chairman of the applied botanics and selection section in Petrograd, which in 1924 was reorganized into the All-Union Institute of Applied Botanics and New Crops and in 1930, into the All-Union Institute of Plant Cultivation, with Vavilov being director until August 1940.

1924 – Vladimir Lenin dies and is replaced by Josef Stalin – a turning point in Vavilov's life
1926 – Lenin Award.

1930–1940 – head of the genetics laboratory in Moscow, later reorganized into the Institute of Genetics of the USSR Academy of Sciences.

1931–1940 – President of the All-Union Geographical Society.

Late 1930s – Lysenko is put in charge of all of Soviet agriculture; this individual criminalizes the thought of supporters of genetics
1940 – arrested for allegedly wrecking Soviet agriculture; delivered more than a hundred hours of lectures on science while in prison
1943 – died imprisoned and suffering from dystrophia (faulty nutrition of muscles, leading to paralysis), in the Saratov prison.

The USSR Academy of Sciences established the Vavilov Award (1965) and the Vavilov Medal (1968).
1887 – born 25 November, in Moscow.
1911 – graduated from the Moscow Agricultural Institute.
1917–1921 – professor of the agronomy department of the Saratov University.
1919 – theory of the immunity for plants.
1920 – formulation of the law of homology series in genetical mutability.
mid 1920s – Vavilov befriends the young peasant Trofim Lysenko and begins taking him to scientific meetings
1921−1940 – chairman of the applied botanics and selection section in Petrograd, which in 1924 was reorganized into the All-Union Institute of Applied Botanics and New Crops and in 1930, into the All-Union Institute of Plant Cultivation, with Vavilov being director until August 1940.
1924 – Vladimir Lenin dies and is replaced by Josef Stalin – a turning point in Vavilov's life
1926 – Lenin Award.
1930–1940 – head of the genetics laboratory in Moscow, later reorganized into the Institute of Genetics of the USSR Academy of Sciences.
1931–1940 – President of the All-Union Geographical Society.
Late 1930s – Lysenko is put in charge of all of Soviet agriculture; this individual criminalizes the thought of supporters of genetics
1940 – arrested for allegedly wrecking Soviet agriculture; delivered more than a hundred hours of lectures on science while in prison
1943 – died imprisoned and suffering from dystrophia (faulty nutrition of muscles, leading to paralysis), in the Saratov prison.
The USSR Academy of Sciences established the Vavilov Award (1965) and the Vavilov Medal (1968).
Nikolai Vavilov