Really amazing account both of the 18th C Black scholar Francis Williams, and of Dr. Dabhoiwala’s sleuthing that led to a re-appraisal of the meaning of this portrait. (Significant page number of a book shown in the art! Dates of books shown on bookcase!) 🧪🔭

https://www.theguardian.com/artanddesign/2024/oct/16/x-ray-evidence-black-maths-scholar-portrait-francis-williams-uncovers-genius