Inventor of the periosteotomy saw for under the skin surgery to cut the neck of the femur; specialist in orthopaedic surgery; 1835-1837 trained at King's College School, London; 1838-1842 trained at St Thomas's Hospital; 1842 MRCS; 1842-1854 curator of museum and demonstrator of morbid anatomy at St Thomas' Hospital; 1850 - married; 1851 FRCS, assitant surgeon to the Royal Orthopaedic Hospital; 1854 - elected to specialise in orthopaedic surgery at Grosvenor medical school; 1855-1891- surgeon Great Northern Hospital, London invented periosteotomy saw, 1857; joint senior surgeon; 1872 - resignation; 1874-1891 - National Hospital for the Paralysed and Epileptic; 1867 - vice-president of Pathological Society; 1873 president of the Harverian Society; 1876 president of the Medical Society of London.