|First Secretary of the Azerbaijan Communist Party|
5 August 1930 - January 1933
|Head of the Organizational-Instruction Department of the Central Committee|
January - August 1933
|Born||June 17, 1893|
|Died||October 30, 1937 (aged 44)|
|Political party||Russian Social Democratic Labour Party (from 1907)|
|Spouse(s)||Esfir Iosifovna Mogilevskaya|
Polonsky was born to a Jewish family in Tobolsk, Russia. Since 1907, he was a member of Russian Social Democratic Labour Party (RSDLP). Starting from 1908, Polonsky has been a sailor and worked blue collar jobs in Saint Petersburg.
In 1913, he became a member of union administration. He was jailed for his political activities in 1914. In 1918-1920, he was a division commissar on western and southern fronts and the chairman for the southern region of Trade unions in the Soviet Union. In 1930-1933, Polonsky was the First Secretary of the Azerbaijan Communist Party and the Secretary of Transcaucasian Committee of CP of Soviet Union.
He was arrested on June 22, 1937. Claims that he was tortured are not accompanied by evidence. He was sentenced to death by the Military Tribunal of USSR and executed by firing squad on October 30, 1937 in Lubyanka prison.
Polonsky was awarded the Order of the Red Banner of Labour.
|Party political offices|
| First Secretary of the Azerbaijan Communist Party
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