Copy letter from Robert William Frederick Harrison to D Thoday 'Dear Sir, I am to ask you if you will be good enough to send in, as soon as possible, a report on the work done by you under the terms of the Mackinnon Studentship, which was awarded to you by the Royal Society last year. I shall be glad to know if you propose to offer yourself as a candidate for re-election. In connection with this question I am directed to call your attention to Sections 3 and 6 f the Regulations, (copy enclosed).' [no enclosure]. 23 April 1909