Energetic And Respected Rural Doctor Wins Coveted Award The Peter Graham 'Cohuna' Award 2009, Australia One of Australia's most high profile and energetic rural doctors, Dr Peter Rischbieth, has been named the winner of the prestigious ACRRM-RDAA Peter Graham 'Cohuna' Award for 2009. The extremely dedicated rural doctor based in Murray Bridge, South Australia, is only the second recipient of the Award, which is presented jointly by the Australian College of Rural and Remote Medicine (ACRRM) and the Rural Doctors Association of Australia (RDAA).