Bennett attended Hamblin and Porter"s School in Cork, and the Academic Institute in Hardcourt Street. He studied at Trinity College, Dublin of the University of Dublin, gaining a Bachelor, and Bachelor of Medicine before graduating with a Master of Surgery
In 1859 and Doctor of Medicine in 1864. He was professor of anatomy and surgery at the Trinity College from 1873 to 1906. He studied fractures, dislocations and bone diseases, recording them at the Pathology Museum at the Trinity College.
He described his eponymous fracture at the British Medical Association meeting in Cork in 1880.
He is said to have introduced antiseptic technique to Dublin, and became president of the Royal College of Surgeons in Ireland.
Ian Charleson 2007 – Special Commendation for Dick Gurvil in Nan, Victor Bretherton in Diana of Dobson's (Orange Tree), Freddy Eynsford-Hill in Pygmalion (Peter Hall Co), and Roderigo in Othello (Donmar Warehouse) Ian Charleson 2008 – Won second place for roles in Hamlet and Love's Labours Lost (RSC).
Working at the University of Wisconsin–Madison, he achieved fame in the history of broadcasting from his work with Dr. Earle M. Terry that led to the first transmissions of the WHA (AM) radio station (1914).
His most notable film is Ascendancy (1982), for which he won the Golden Bear at the 33rd Berlin International Film Festival.
