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Books about Velthuysen:
Disputatio De Finito Et Infinito, In Qua Defenditur Sententia Clarissimi Cartesii, De Motu, Spatio, Et Corpore... (Jul 17, 2009)
Verba et sententiae Spinozae, or, Lambertus van Velthuysen (1622-1685) on Benedictus de Spinoza (Varia Spinozana... by W. N. A Klever (1991)
Wiki information Velthuysen:
Rick van Velthuysen is a Dutch radio DJ. Born in Rotterdam, van Velthuysen started his career at the age of 18 with Radio Bollenstreek. In 1985 he became a DJ with KRO and had a gameshow with Peter van Dam. He moved to AVRO in 1986 and when Kas van...