Check out Grant Wood's comments about American Gothic
and what he portrayed in this painting.

Grant Wood died in Iowa City on the eve of his 50th birthday. That
same week his 'American Gothic' was winning acclaim in a display of
realistic U.S. art, "Decade of American Painting, 1930-40" at the Worcester,
Massachusetts Art Museum.
Used with permission of Marjorie Mills Vandervelde,
niece of Nellie Sudduth.