Biographical Notes and Research Notes and research by E S Pearson on the life and work of W S Gosset. Includes correspondence between ESP and Gosset's friends and family, biographical notes, offprints, obituaries and press cuttings. This material was mostly collected by ESP for a book on Gosset which he called "All This and Student Too". The book was unfinished at the time of Pearson's death, and was edited and published posthumously by R L Plackett and G A Barnard under the title Student: A Statistical Biography of William Sealy Gosset (Oxford: OUP, 1990). 20th Century