Ton Koopman (b. 1944) is a Dutch harpsichord player and conductor, specializing in Baroque music. He founded the Amsterdam Baroque Orchestra in 1979, and the Amsterdam Baroque Choir in 1993. With these ensembles, he has given renowned performances of Bach's St. Matthew's Passion.
Discovered on 29-9-1973 in Palomar by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.