1867 – 1962. A direct link with Morris, Ruskin and even Blunt. Became a major collector of Kelmscott Press books; was secretary to Wilfrid Scawen Blunt; and was Thomas Hardy's executor. From 1908 to 1937 he was Director of the Fitzwilliam Museum, in Cambridge and after helping Jenny Morris handled her Kelmscott books going to the Fitzwilliam.
Thirty-six of them bore the inscriptions William Morris had penned as he presented the books to his daughter. Cockerell offered Jenny much comfort and practical support throughout her long illness. Upon her death in 1935 she bequeathed her 62 volumes to the Fitzwilliam.