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Darwin Correspondence Project

Isaac Sprague


American landscape painter. Served as artist-assistant to John James Audubon (1785–1851) on an ornithological expedition along the Missouri River, 1843. Settled in Cambridge, Massachusetts; carried out work for Asa Gray from 1845. Removed to Grantville, near Needham, in the mid-1860s.


Dictionary of artists in America

Dupree 1959.


Dictionary of artists in America: The New-York Historical Society’s dictionary of artists in America 1564–1860. By George C. Grove and David H. Wallace. New Haven: Yale University Press. London: Oxford University Press. 1957.

Dupree, Anderson Hunter. 1959. Asa Gray, 1810–1888. Cambridge, Mass.: Belknap Press of Harvard University.