Horace Braithwaite Bullen graduated with first class honours in the Natural Science Tripos at Cambridge in 1913. He did his medical training at Cambridge and at St Bartholomew's Hospital where he became house surgeon. He won the Walsham Prize in 1917 and the Bentley Prize in 1918. He was temporary Surgeon-Lieutenant in the Royal Navy. A member of the BMA, he was Chairman of the Hastings division for a while. He became honorary consultant and orthopaedic surgeon to the Hastings Group of Hospitals. He died in 1979 and his wife, Rose Mary Katherine (née Madden) died in 1984.