Charles Sprague Sargent (1841-1927) was an American botanist and horticulturist known for his extensive work in the field of forestry. He served as the first director of the Arnold Arboretum in Boston, which is part of Harvard University. Sargent played a crucial role in the study and conservation of trees and shrubs, contributing significantly to the understanding of North American flora. Sargent authored several influential publications, including the multi-volume work titled Manual of the Trees of North America. His dedication to botany and his efforts in promoting the importance of trees in the environment have left a lasting legacy in the field of natural sciences.