(b 's Graveland, Holland, 1928).
Dutch harpsichordist, organist, and conductor. Début Vienna 1950. Prof. of hpd., Vienna Acad. 1952–5, Amsterdam Cons. from 1954. Ed. of Bach's Die Kunst der Fuge, and works of Sweelinck. Founded Leonhardt Consort 1955. Has cond. opera in addition to many concerts.