David van Royen
David van Royen (30 December 1727 – 29 April 1799) was a Dutch physician and botanist who worked at the Hortus Botanicus Leiden where he succeeded his uncle Adriaan van Royen (1704-1779) as director.
David van Royen (30 December 1727 – 29 April 1799) was a Dutch physician and botanist who worked at the Hortus Botanicus Leiden where he succeeded his uncle Adriaan van Royen (1704-1779) as director.