Marshall, Humphry, 1722-1801

Humphry Marshall was a self-educated Quaker botanist, born and raised in Chester County, Pa. With the encouragement and assistance of his cousin, John Bartram, and other scientific mentors in the U.S. and Britain, Marshall became an accomplished "practical botanist" and by the mid-1760's had established a profitable business collecting and identifying plants and selling them to plant collectors throughout the U.S. and Europe. The botanical garden he established in Chester County was one of the.

Earliest in the U.S., and his major published work, Arbustrum Americanum, is credited with being the first botanical treatise completely produced in America. Marshall was elected an honorary member of the American Philosophical Society and the Philadelphia Society for Promoting Agriculture.

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