41. Scott Spann is a practicing orthopaedic surgeon and fellowship-trained in the surgical treatment of the spine. 42. The American Academy of Orthopaedic Surgeons agrees. 43. Harry Platt was among the orthopaedic surgeons to have been very influenced by the work of Jones. 44. The hospital pioneered Ultraviolet ray and vitamin treatment under the orthopaedic surgeon Dr . Creswell Lee Pattison. 45. AOA provides orthopaedic surgeons and trainees with specialist education, training and continuing professional development ( CPD ). 46. After completing his medical studies, Crichlow moved to Indianapolis to begin practicing medicine as an orthopaedic surgeon . 47. He is a retired Consultant orthopaedic surgeon . 48. It was motivated by his sympathy for polio victims who sought his skills as an orthopaedic surgeon . 49. He is one of only 3 practicing orthopaedic surgeons in the Institute of Medicine of the National Academies. 50. He returned to Toronto the following year and joined the Hospital for Sick Children as an orthopaedic surgeon .