Peter George Norman was an Australian track athlete. He won the silver medal in the 200 metres at the 1968 Summer Olympics in Mexico City, with a time of 20.06 seconds, which remained the Oceania 200 m record for more than 56 years. From Wikipedia
The 17-year-old Australian broke the 20-second barrier with a wind-assisted 19.98 seconds and ran a world-leading 20.05 seconds in the heats.