ผู้เขียน: Steward T. A. Pickett

Peter Del Tredici is a botanist specializing trees. He retired from the Arnold Arboretum of Harvard University in 2014 after thirty-five years as plant propagator, bonsai curator, editor of Arnoldia, and Director of Living Collections and Senior Research Scientist. In 2013, he was awarded the Veitch Gold Medal by The Royal Horticultural Society, “in recognition of services given in the advancement of the science and practice of horticulture.”