A topical issue is the “dormant” cancer cell. On December 14, 1953, a massive lecture was delivered on it without a historical example. It is well, therefore, to cast the mind as far back as March 7, 1874, when it had cropped up. Propitiously, The Pathological Society of London event was opened by Campbell de Morgan, while Sir William Jenner was in the Chair. Both of these two events are such that light should be beamed on them in the literature.