Egerton Swartwout (1870–1943) was the first son of Satterlee Swartwout and Charlotte Elizabeth Edgerton (daughter of Ohio Representative Alfred Peck Edgerton).
Both Swartwout and Tracy had trained and worked as draftsmen with the renowned firm, McKim, Mead and White.
The firm was at this time named Tracy, Swartwout & Litchfield.
Evarts Tracy died January 31, 1922, in France, of chronic myocarditis.
Egerton Swartwout continued working on his own after Evarts Tracy's death.