Part IChapters 1From Bath to Cambridge: The Early Life and Education of Robert Leslie EllisChristopher Stray2"A Senior Wrangler among Senior Wranglers": The Mathematical Education of Robert Leslie EllisJune Barrow-Green3Ellis's Character, John Grote and the Cambridge Network, 1830-1866 John R. Gibbins4Robert Leslie Ellis as Editor and Contributor to Mathematical Journals Tony Crilly5Ellis on Mathematical Statistics and Probability   Stephen M. Stigler6Ellis's Philosophy and Bacon Scholarship Lukas M. Verburgt7Robert Leslie Ellis: An Almost Perfect Moral Nature Joan L. Richards Part IIManuscripts8The Ellis Papers in Trinity College, Cambridge Jonathan Smith Diaries Lukas M. Verburgt & Christopher StrayLettersLukas M. Verburgt & Christopher StrayBM"Appendix 1: Bibliography of Ellis's Writings "BMAppendix 2: List of Ellis's Mathematical Reading BMAppendix 3: List of Ellis's DiariesBMBibliography