Description: Segment 1 Sir Ivan discusses how at the time of the First World War, anaesthetics was not a specialised branch of medicine, so explains why he chose to devote himself to it. He talks about his training as a student and how in his early career he developed the common use of endotracheal anaesthesia. He explains the technical aspects of this type of anaesthesia, the kind of equipment doctors had access to at that time, and he also shows an example of the type of rubber tubing he used. Time start: 00:00:00:00 Time end: 00:07:38:04 Length: 00:07:38:04 Segment 2 Sir Ivan shows how to make an endotracheal tube. He talks about he worked with Sir Harold Gillies, the plastic surgeon, at Great Ormand Street Hospital. He discusses the setting up of the Society of Anaesthetists and the creation of a diploma from that institution. They discuss the difference that this made to healthcare in the Second World War, as by that time there was a great number of trained anaesthetists. Sir Ivan ends by saying that he would allow any surgeon to operate on him, but that he would be careful in choosing his anaesthetist. Time start: 00:07:38:04 Time end: 00:15:29:09 Length: 00:07:51:05