In 1883 he appointed Mifflin E. Bell to the Office of the Supervising Architect.

In 1893 the Tarsney Act permitted the Supervising Architect to hire private architects following a competition.

It was built in 1906 and designed by James Knox Taylor, the Supervising Architect of the Treasury.

It was built in 1936 and designed by consulting architects Walker & Gillette for the Office of the Supervising Architect.

Designed by the Office of the Supervising Architect, the red brick building incorporates austere classical detailing.

By then, James G. Hill had become the Supervising Architect.

He served from 1887 to 1888 as head of the Office of the Supervising Architect, which oversaw construction of Federal buildings.

It was built in 1938 by the Office of the Supervising Architect under the direction of Louis A. Simon.

It was designed by the Office of the Supervising Architect under James Knox Taylor and built between 1912 and 1914.

Ammi B. Young, 1852 to 1862 (first Supervising Architect per se)