John Bull was an English composer, organist, virginalist and organ builder. He was a renowned keyboard performer of the virginalist school and most of his compositions were written for this medium.
John Bull in c. 1589, portrait kept at the Bate Collection of Musical Instruments
Hereford Cathedral, 17th-century engraving
Antwerp Cathedral, painted c. 1820 by Domenico Quaglio the Younger. Bull worked as organist of the cathedral from 1615 until his death.
Robert Thurston ("Bob") Dart was an English musicologist, conductor and keyboard player. Along with Nigel Fortune, Oliver Neighbour and Stanley Sadie, he was one of Britain's leading musicologists of the post-World War II generation. From 1964 until his death he was King Edward Professor of Music at the University of London, based at King's College London.
Dart (1961)
Thurston Dart (far right) in 1961. From left: Robert Casadesus, Elisabeth Schwarzkopf, Bernard Haitink, MS. Schil, Jack Boyce and Thurston Dart