Person · 1910 CE – 1975 CES. N. ShchetininAlso known asSemen NikolaevichSemjon Nikolaevitsj SjtsjetininSiemion SzczetininSiemion SzczetininСемен Николаевич ЩетининСемен Николаевич Щетининarchival plate · S. N. Shchetinin · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to12 links to entries not yet ingested in the Library.