c. 1926 Elmer Hale Pratt joins the Boston Architectural Club; works as draftsman for Perry, Shaw, and Hepburn.
Colonial Williamsburg Williamsburg, VA Restoration, 1927–1934 William Graves Perry, Perry, Shaw, & Hepburn, Architects The W.C. Vaughan Co., Manufacturer
Gropius House Lincoln, MA 1938 Walter Gropius, Marcel Breuer, Architects The W.C. Vaughan Co., Manufacturer
1944 Walter Vaughan retires; divides shares in W.C. Vaughan between Stafford Vaughan and Elmer Pratt.