They are all left-handed They have all been married more than once They have all written their own autobiographies All three are talented violin players What do the songs Hey Jude, Let It Be and Blackbird have in common?
Isaac Singer Eli Whitney Samuel Morse Dmitri Mendeleev Em que país foi inventado o barco a vapor? Estados Unidos Noruega Alemanha Grécia Quem inventou a primeira bateria elétrica? Alessandro volta Michael Faraday Ricardo Gatling Samuel Colt Qual país inventou o selo postal?