in Double Bay. Rusty Young, an author Hiroaki Yura, a violin virtuoso, founder and concertmaster of the Eminence Symphony Orchestra Medicine and science Robert Allan, a physician and obstetrician (also attended Brisbane Grammar School) Anthony Baker, a chemist and research scientist at the CSIRO George Bell, a prominent surgeon John Berryman, a chief executive of the Royal Institute for Deaf and Blind Children Andrew Child , an obstetrician and gynaecologist Graeme Clark , a pioneer of the multiple-channel cochlear implant (also attended Sydney Boys High School) Richard Day , a clinical pharmacologist Alan Donald , a scientific consultant and Director of the CSIRO Institute for Animal Production and Processing Kay Ellem , a professor at the Queensland Institute of Medical Research Peter Elliott , an obstetrician and gynaecologist John Ham, a surgeon Peter Hendry , a pathologist and former Deputy Chancellor at the University of Newcastle John Lane , an aeromedical monitor for the United States manned space flight program in the Mercury and Gemini space programs; and a medical officer in the Royal Australian Air Force Gerald Lawrie, an American heart surgeon and pioneer in the surgical treatment of valvular heart disease Dr Martin Mendelson - Head Prefect 1976 - deregistered by medical tribunal for a period of at least two years in December 2008 - professional misconduct, when he engaged in oral sexual intercourse with a female patient during a consultation in his room after-hours John Norman , an oral and maxillofacial surgeon (also attended Hale School) Frank Radcliff, a biochemist George Repin , a health services educator Dr Charlie Teo , a neurosurgeon and founder of the Cure Brain Cancer Foundation Military Arthur Aspinall, together with Archibald John, Andrew Eric and William Robert Aspinall Major-General Donald Begg, Head of Logistic Command Arnold Brown , an Australian Army officer; decorated for services in Cyrenaica Cooper Dale, an Australian Army officer awarded the Bronze Star for pioneering Afghan Tactical Air Coordinator capability within the ANA Rear Admiral Sir David James Martin , a former senior officer of the Royal Australian Navy Vice Admiral Sir Alan McNicoll , a senior officer in the Royal Australian Navy and a diplomat Major-General Ronald McNicoll Colonel Rowan Tink , a former Australian Army Special Air Service Regiment commander, awarded the US Bronze Star following active duty in Afghanistan Commander Mark Todd, a former commanding officer of HMAS Kuttabul and former strategic planner for