D. M. van Gelderen is the principal author of several books on trees and shrubs. His family nursery, Firma C. Esveld in Boskoop, is one of the world's great specialist nurseries, famous for its conifers, maples, rhododendrons, and other woody plants. Among the awards D. M. van Gelderen has received in recognition of his contributions to horticulture are the Gold Veitch Memorial Medal of the Royal Horticultural Society and the Dutch Dendrological Society's Silver Doorenbos Medal. In 2000, he was named "Officer in the Order of Oranje Nassau" by Her Majesty Queen Beatrix of the Netherlands, in re...