Mexico City 1968

America's Richard Fosbury wins the gold medal in the high jump at the Mexico City Olympics, reaching a height of 7 feet 4 1/4 inches, 23rd October 1968. His revolutionary style of jumping backwards, known as the 'Fosbury Flop', soon became the standard technique. (Photo by Keystone/Hulton Archive/Getty Images)

American high jumper Dick Fosbury clears the bar and sets an Olympic record of 7 - 4 1/4, Mexico City, Mexico, late October 1968. His technique, known as the Fossbury Flop, became the standard for high jumpers. (Photo by Hulton Archive/Getty Images)

19th October 1968: American track and field athletes Tommie Smith and John Carlos, first and third place winners in the 200 meter race, protest with the Black Power salute as they stand on the winner's podium at the Summer Olympic games, Mexico City, Mexico. (Photo by Hulton Archive/Getty Images)