He qualified at Guy's Hospital in London, and undertook postgraduate study at Tübingen in Germany.
[3] He decided to work on the treatment of insanity, and acted as assistant medical officer in the West Riding Asylum in Wakefield, Yorkshire, before being appointed as medical superintendent at the Joint Counties Asylum in Carmarthen, south west Wales (which later became St David's Hospital).
[3] In 1906, Goodall was appointed the first superintendent of Cardiff City Mental Hospital, prior to its opening in 1908.
[2] In 1914, Goodall delivered the prestigious annual Croonian Lecture, at the invitation of the Royal Society and the Royal College of Physicians, with a paper entitled Modern Aspects of Certain Problems in the Pathology of Mental Disorders.
Goodall remained in charge of the hospital and was commissioned as a lieutenant-colonel in the Royal Army Medical Corps.