Bartolomeo Cristofori was an Italian inventor credited with creating the piano, revolutionizing the world of music.
Robert Moog was an American engineer and inventor who revolutionized electronic music with the development of the Moog synthesizer.
Laurens Hammond was an American inventor, engineer, and musician who revolutionized the music industry with his iconic Hammond organ.
Harry Partch was an American composer, music theorist, and creator of unique musical instruments, who revolutionized the understanding of musical microtonality.