Guess who invented the trampoline, A 35-year-old aeuronatic engineer, A 16-year-old gymnast, Guess who invented the Christmas tree lights, A 15-year-old teen, A 41-year-old electrician, Guess who invented the Braille system, A 12-year-old blind student, A 50-year-old psychologist, Guess who invented the water skis, A 33-year-old saketing instructor, A curious 18-year-old guy

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