Robert Swan Sturtevant (December 30, 1892 – February 22, 1955) was an American landscape architect and iris breeder.
He taught for many years at the Lowthorpe School of Landscape Architecture, and he helped to found the American Iris Society.
[3] In 1901, they co-purchased an estate in Massachusetts, Wellesley Gardens, which Grace made the center of her iris-breeding operations and where she educated her half-brother in horticulture.
[6] When America entered World War I, he served overseas in the field artillery, reaching the rank of corporal.
[4] In 1935, he created a landscape design for Orton Plantation in Brunswick County, North Carolina, not all of which was implemented and only some of which survives today.