Robert William Vonnoh: A Pioneer of American Impressionism Robert William Vonnoh (September 17, 1858 – December 28, 1933) stands as a significant figure in the annals of American Impressionist painting. Born in Hartford, Connecticut, he embarked on an artistic journey marked by extensive travels between the East Coast and France, primarily immersing himself in the vibrant atmosphere of Grez-sur-Loing—a haven for artists seeking inspir…