Active in fields spanning medicine, ornithology, zoology and even watercolour painting, Frederick Dawtrey Drewitt (1848 1942) was a prominent fellow of the Royal College of Physicians, exhibited at the Royal Academy, and was involved in governing the National Trust. His particular interest in birds led him to study the work of the physician and naturalist Edward Jenner (1749 1823), who contributed to the field of ornithology through his observations of the cuckoo's behaviour. Jenner is better known, however, as the 'father of immunology' for pioneering the smallpox vaccination - the word...