Which notable artists and intellectuals frequented the Salmagundi Club?

The Salmagundi Club, founded in 1871, has been a significant hub for artists and intellectuals throughout its history. The individuals listed in the correct choice, including Washington Irving, Louis B. Tiffany, John La Farge, and Stanford White, reflect the strong historical ties the club holds with prominent figures in American art and literature.

Washington Irving, known for his writings such as "The Legend of Sleepy Hollow," was an early member and contributed to the cultural discourse of his time. Louis B. Tiffany, celebrated for his decorative arts and stained glass, showcases the club’s connection to visual art. John La Farge, renowned for his work in stained glass and painting, held similar significance in the art world. Lastly, Stanford White, an influential architect, represented the architectural innovation of the period, further reinforcing the club's diverse yet cohesive community of creativity.

This selection highlights the club's intellectual environment and its role as a gathering place for significant contributors to American arts and letters in the late 19th and early 20th centuries.