He was born in Liverpool in 1881. He attended
Thetford Grammar School while growing up. He attended
Victoria University (United Kingdom) for College after which he then attended
University of Liverpool School of Dentistry and received his L.D.S.R..C.S. degree in 1903. He was then appointed Dental House Surgeon at
Royal Liverpool University Hospital. This followed by him practiced for 9 months in
Southport, Lancashire where he met
Mathew H. Cryer who was at that time the Professor of Oral Surgery at University of Pennsylvania. After meeting him, Chapman travelled to USA and enrolled in
Pennsylvania College of Dental Surgery where he obtained his dental degree. He then enrolled himself in
Angle School of Orthodontia and graduated from there in 1905. After his return, Chapman worked with
George Northcroft for 2 years before starting his own practice in 1921. He then became the first person in England to solely practice orthodontics. He continued working in his practice until his retirement in 1952. He was an Honorary Dental Surgeon at
Barts and The London School of Medicine and Dentistry in 1911. He also organised the first postgraduate course on orthodontics in England on behalf of the
Dental Board of United Kingdom.
Royal College of Surgeons of England awarded him with Faculty of Dental Surgery in 1947. ==Awards and positions==