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Janusz Antoni CZYŻEWSKI was born in Warsaw on May 28, 1910. He studied at Warsaw Agriculture University. Later on he worked as an assistant to the prominent applied entomologist, Professor Zygmunt MOKRZECKI, at the same University. From 1937 to 1944 he was a co-owner of a plant protection laboratory in Warsaw. After WWII he was deputed to Wrocław for organizing there a Polish plant protection service...
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