With a focus on collaboration rather than individualism, the TAC approach was applied to all aspects of the community: design, development, construction, and operation. TAC established a nonprofit corporation and bought on which to build, which was divided into 29 equally-priced lots of about one-half-acre each. Original house costs were between $10,000 and $22,000. The first houses were designed and built in a modernistic way. The method of design was rectangular, flat-roofed, timber-sided homes, which was typical for residences designed by TAC. The houses are situated on a sloping hill lining a small road that forms a cul-de-sac. Six Moon Hill runs as a consensus-based, collective community in which each member family pays dues and holds two voting shares. Among the original architects were Benjamin C. Thompson, Norman C. Fletcher, Jean B. Fletcher, John C. Harkness, Sarah P. Harkness, Robert S. McMillan, Louis A. McMillen, and Richard S. Morehouse. Other notable residents included Nobel chemist Konrad Bloch, Nobel physicist Samuel C.C. Ting, Dr. Thomas C. Chalmers, Wallace E. Howell, Robert Newman,, and John C. Sheehan. Art historianSimon Schama lived on Moon Hill between 1981 and 1993, and described it as "a great place for kids and historians" in a 2010 interview with the .
Early years
In 1948, a group of TAC architects were looking to move from their rented lodgings in Cambridge and had the idea of building their own community. They found the land in Lexington during a Sunday ski outing. It was purchased from an auto dealer of the Moon Motor Car, and the project was given the name "Six Moon Hill", a nod to the six automobiles found in a barn on the property. It turned out that one of the cars was a Franklin, but they liked the original name too much to change it. In building Six Moon Hill, the goal was not only to build the houses but also to establish an ideal community. Norman Fletcher, one of the founders of TAC and Six Moon Hill, described the young architects as having been influenced in their ideas by "utopianism and socialism". The egalitarianism of the neighborhood also reflected the philosophy of Walter Gropius and TAC. All members of TAC including Gropius had equal shares, and he insisted that he not be looked at as the president. Of the original TAC founders, only Gropius did not have a house on Moon Hill, having already built his house in Lincoln, Massachusetts.
Recent years
The newest house is dubbed the "Big Dig House", as it is built from remnant construction material used in the Big Dig, a major highway tunnel project in Boston. Owner Paul Pedini envisioned the house as a conglomerate of such material as concrete roadway decking and spare rebar. Designed by the Boston firm, Single Speed Design, the house is noted for being environmentally friendly and energy-efficient, and won a Metropolis award for innovative design.
