Dunedin Study director Professor Richie Poulton. Professor Richie Poulton, who for 23 years was director of the world-renowned Dunedin Study, has died, aged 61. The Dunedin Multidisciplinary Health and Development Study began in 1972. Dunedin Study researchers have published more than 1300 peer-reviewed journal articles, reports and books on many aspects of mental health, physical health and human behaviour. In 2016, the Dunedin Multidisciplinary Health and Development team, led by Poulton, won the Prime Minister’s Science Prize.