Oh, those hips. Those lips. That hair! It's hard to quantify the cultural impact of Elvis Presley, the man who spoonfed rock 'n' roll to 1950s white America. Late Elvis may have been a sequined parody of himself, but early Elvis — the hip-swiveling, wooden chair-dancing, Army-enlisting Mississippi boy — loosened the ponytails and unbuttoned the cardigans of thousands of bobbysoxers across the country.