In 2006, Terry Tao became the first Australian to win a Fields Medal.
Here are the YouTube videos
(YouTube url: http://www.youtube.com/watch?v=p6ZUeQv2yFQ)
The paper he presented in this video is http://www.math.ucla.edu/~tao/preprints/Slides/austms.pdf
(YouTube url: http://www.youtube.com/watch?v=zO7m7LS8dyg)
Terry Tao's website is http://www.math.ucla.edu/~tao
He also has a weblog at http://terrytao.wordpress.com
-----------------------------------------------------------------Terry Tao's Powerpoint presentation at Sydney University, February 7, 2008
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Terry Tao's lecture he gave at the 2009 IMO
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Terry Tao's public lecture at UNSW
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Video of Structure and Randomness in the Prime Numbers lecture at ANU given by Terry Tao
MP4 file: http://mpegmedia.abc.net.au/tv/fora/anu_terrytao_full.mp4