Michael Thomas Pinder (27 December 1941 – 24 April 2024) was an English rock musician. He was a founding member and the original keyboard player of the rock group the Moody Blues. He left the group following the recording of the band's ninth album Octave in 1978. Pinder was renowned for his technological contributions to rock music, most notably in the development and emergence of the Mellotron in 1960s rock music. In 2018, he was inducted into the Rock and Roll Hall of Fame as a member of the Moody Blues.[1] He was the last surviving of the group's original five members.