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John J. Raskob, developer of the Empire State Building, also wanted to construct the world's tallest building. The "Race into the Sky" was defined by at least five other proposals, although only the Empire State Building would survive the Wall Street Crash of 1929. Plans for the Empire State Building were changed multiple times; the final plan, published in December 1929, called for the building to be tall. The Empire State Building was completed in May 1931, becoming the world's tallest building both by roof height and spire height.