51³Ô¹Ï

Further to Martin Cortazzi's piece ("They've invited me to present my papers, and this time it's personal", Opinion, 9 August): I was asked recently to help out in a British university for a few hours to plug a gap in the department from which I had retired and where everyone knows me. I could not be paid until I had produced my passport. I took it as an insult.

Margaret Brooks, Bath