Mr. Corwin, helper to Mr. Herman Schlink, poses at right with Herman Schlink, center, and Frank Schlink, brother to Herman and rough carver. Herman Schlink was the master craftsman for all the exterior stone carving on the Turnblad mansion. Completed in 1908, the Swan J. Turnblad mansion was built in the French Chateauesque style. The house became the American Swedish Institute in 1929.