ABSTRACT
My great-great great uncle, Lord Ai-t'ang https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315293134/c866fb90-eb94-4746-9f2f-85d4c9f8507f/content/fig78_B.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/> , 2 was well known in academic circles at the end of the Ming Dynasty (1368-1643).
