Which famous personality's endorsement helped transform the struggling Polaroid instant camera into a massive commercial success in the 1950s?

Throughout history, celebrity endorsements have played a crucial role in popularizing revolutionary inventions and discoveries. Some partnerships between inventors and famous personalities have changed the trajectory of product adoption and shaped entire industries. This trivia question explores a pivotal moment when a celebrity endorsement transformed a struggling invention into a household name, forever changing how we think about product marketing in the world of innovation.

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Marilyn Monroe, who demonstrated it at Hollywood parties
Edwin Land (the inventor himself) through dramatic public demonstrations
Walt Disney, who featured it prominently in Disneyland's opening
Elvis Presley, who used it on his television appearances