Caption: Saint Nestor the Chronicler (c. 1056--c. 1114), St. Vladimir's Cathedral, Kiev, Ukraine.

At his studies.

He's "making a list, checking it twice; gonna find out who's naughty and nice".

Credit/Permission: Viktor Vasnetsov (1848--1926), 1919 (uploaded to Wikipedia by User:Butko, 2006) / Public domain.
Image link: Wikipedia: File:Нестор-летописец.jpg.
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