From Sam Warburton
I am not sure whether I am more surprised by Guy Cox’s revelation that you needed to submit to the distinctly un-Greek custom of circumcision to be admitted to the library of Alexandria, founded around 280 BC, than I am to read that it applied to Pythagoras, who passed away some 200 years earlier (9 August, p 29).
Penarth, Vale of Glamorgan, UK
