Hewlett  Packard also known as HP was founded by David Packard and Bill in Polo Alto, California in the year 1939. HP’s first product was the HP audio oscillator. Walt Disney pictures ordered 8 pieces to be used for the popular 1990 movie entitled “ Fantastic”. Walt Disney became one of the first customers of HP.  The HP audio oscillator has become a famous gadget among engineers.

Source: Computer history website