Historical Notes: The most important advancement of Mills's career came in 1803, when Jefferson introduced him to the British emigre architect Benjamin Henry Latrobe-whom he had just appointed surveyor of public buildings in Washington. Mills later told Jefferson that when he began working with Latrobe, "I began first to imbibe the true and correct principles of Architectue,"
"My present ideas of the nobel art and science, which are dramatically opposite to those I enter'd Mr. L[atrboe]'s office with, I trust are founded on the dictates of Reason and nature, because these are the only true foundations of correct taste and realy beauty."
Mills worked under Latrobe for five years as a draftsman and clerk. When Mills entered his office, Latrobe's Bank of Pennsylvania, completed about two years earlier (1801), was commanding enormous attention. Latrobe's goal for the building had been "to produce a pure specimen of Grecian simplicity in design, and Grecian permanence in execution." It quickly became a landmark in American architecture and furthered the Greek Revival.
Mills's drawing of the Bank of Pennsylvania was sent to Jefferson at Monticello in October 1808. Jefferson also owned an engraved perspective of the bank that was part of William Birch's the City of Philadelphia.
When Mills's decided to leave to Latrobe's office in 1808 to establish a practice in Philadelphia, he wrote a characteristically complimentary letter to Jefferson. In seeking his help, Mills appealed to the president's well-known belief in the ability of the citizens of his country:
"My wish to endeavor to shew to the European who visits us from the metropolis of his country that the American talent for architecture is not a whit inferior to the Europeans, under the same advantages."
He also reminded Jefferson of his own "anticipations on the future of American architecture as described in Notes on the State of Virginia:
"perhaps a spark may fall on some young subjects of natural taste, kindle up their genius, and produce a reformation in this elegant and useful art." Mills believed himself to be one of the "young subjects" of which Jefferson spoke. His architecture helped set in motion the Greek Revival that Jefferson and Latrobe so vigorously championed.
↑ Mills left the drawing with John Woodside;who then sent it to Jefferson. John Woodside to Jefferson, Washington, October 11, 1808. The Thomas Jefferson Papers, Library of Congress. Recipient copy available online.
↑ Mills to Jefferson, Philadelphia, June 13, 1808. Ibid. Recipient copy available online.