Methodology for extracting and normalizing historical biographical records from Encyclopedia Britannica

Methodology for extracting and normalizing historical biographical records from Encyclopedia Britannica The passage describes internal data processing steps for building a database of historical figures. It contains no allegations, financial flows, or connections to powerful actors, and offers no actionable investigative leads. Key insights: Outlines procedures to extract individuals born 1800‑1980 from Britannica data.; Describes creation of name‑variant sets to handle OCR and typographic issues.; Mentions use of Wikipedia list intersections for further analysis.