RCSI Heritage Collections receives many visitors from all over the world, all with a varying array of backgrounds. However, one thing these visitors do have in common is a keen interest in medicine and more particularly, a keen interest in the history of medicine. So, with that in mind where else would ones first port of call when visiting Dublin be??? RCSI of course, due to its rich history and breadth of material relating to that very topic. One recent visitor, Dr Peter Mohr, FRCP, a retired neurologist from the Manchester area and honorary secretary of the Historical Medical Equipment Society (HMES), wrote to us enquiring about our Historical Instrument collection. He was particularly interested in seeing Cruise's endoscope and its original casing which are housed in the Pathology Lab in Beaumont Hospital. Peter & his wife came to see this particular instrument and on that day told us the story of a very interesting woman, Dr Edith Willcock McCrea, a Fellow of RCSI, whose