In what year did Thornton Wilder write his three-act play that would later be compared to Neil Young's Greendale?
Greendale (album): Greendale is the twenty-sixth studio album by Neil Young. Greendale (album):  Based on the saga of the Green family, the "audio novel" has been compared to the literary classics of Thornton Wilder's "Our Town" and Sherwood Anderson's "Winesburg, Ohio" for its complexity and emotional depth in exploring a small town in America. Our Town: Our Town is a 1938 metatheatrical three-act play by American playwright Thornton Wilder.
1938