British surgeon and physiologist who is considered to be a founder of the science of pathology. ALS, one page, 4.5 x 7, personal letterhead, February 22, 1884. Letter to a gentleman. In full, “I wrote to you this morning that I would see your father tomorrow at 9.45 - but I must be later - about 2 p.m.” Letter is affixed by its top edge to a slightly larger sheet. In fine condition, with light toning, bisecting mailing fold and a faint stamp to top. R&R COA.