 ::BTW, it was undeclared love, rather than unrequited love.  ==Sources and References== It would be good if there were more inline references.    In relation to A. Vibert Douglas's biography, the following review, signed J F H,(available online) may be of use: Journal of the Royal Astronomical Society of Canada, Vol. 51, p.171: Review of Vibert Douglas's boigraphy of A.S. Eddington. This review states that the author was given access to private papers by Eddington's sister, Winnifred.