Few works of art exhibited at the 1893 World’s Fair have generated as much scholarly interest, controversy, and speculation as Mary Cassatt’s lost mural Modern Woman. The Art Institute of Chicago centers the absent painting inside the new exhibition, Mary Cassatt: After Impressionism. The only known surviving color image of Mary Cassatt’s monumental mural Modern Woman is a reproduction in William Walton’s Art and Architecture of the World’s Fair, on display at the exhibition Mary Cassatt: After Impressionism. [...]