Joseph Mortimer Granville

Joseph Mortimer Granville (4 May 1833, Devonport – 23 November 1900, London) was an English physician, author and inventor known for having first patented the electromechanical vibrator for relief of muscle aches, exclusively for male patients. It was famously hypothesized by Rachel Maines that the device could have also been used to treat hysteria by bringing women to orgasm. Given the lack of evidence to back this theory, however, Granville's credit as the inventor of the first electrical, vibrating sex toy is a myth.