From the artist's life
The stern pair in American Gothic were modelled by Wood's sister and his dentist — and they are father and daughter, not husband and wife.
Source: Wikipedia / WikimediaAmerican Realism
Grant Wood (1891–1942) was a leading American Regionalist, celebrating the rural Midwest in crisp, stylised detail. His American Gothic is one of the most parodied images in American culture.
Wood helped define a homegrown American art, independent of European modernism.
The stern pair in American Gothic were modelled by Wood's sister and his dentist — and they are father and daughter, not husband and wife.
Source: Wikipedia / Wikimedia

Key works
Works with a dedicated ArtAtlas page are highlighted in gold.
1930
American Gothic is a 1930 oil painting on beaverboard by the American Regionalist artist Grant Wood, depicting a Midwestern farmer and his wife or daughter standing in front of their Carpenter Gothic style home. It is one of the most famous American paintings of the 20th century and is frequently referenced in popular culture.