George Washington Carver standing in a field, probably at Tuskegee, holding a piece of soil, 1906. Photo by Frances Benjamin Johnston. Library of Congress Prints and Photographs Division. LC-USZ62-114302.

George Washington Carver standing in a field, probably at Tuskegee, holding a piece of soil, 1906.

Photo by Frances Benjamin Johnston. Library of Congress Prints and Photographs Division. LC-USZ62-114302.