Copy letter from Herbert Rix, to Professor George Gabriel Stokes, President of the Royal Society 'Dear Sir, I do not think we ever received your promised obituary of Rev Dr Robinson. May I venture to inquire whether you have yet been able to get the necessary particulars? Yours obediently H Rix Asst Sec [Assistant Secretary] P.S. I have a note that you undertook to ask Prof P G Tait [Professor Peter Guthrie Tait] to write an obituary of Prof. Balfour Stewart. We have never received any MS [manuscript]. Do you think he was asked?'. 10 April 1889