Six Moon Hill

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Six Moon Hill Historic District
Fletcher House.png
TAC-designed house built in 1950, original home of achitects Jean and Norman Fletcher
Six Moon Hill is located in Massachusetts
Six Moon Hill
Six Moon Hill is located in the United States
Six Moon Hill
Location4, 8 Bird Hill & 1-40 Moon Hill Rds, 16, 24 Swan Ln., Lexington, Massachusetts
Coordinates42°25′23″N 71°12′42″W / 42.42306°N 71.21167°W / 42.42306; -71.21167Coordinates: 42°25′23″N 71°12′42″W / 42.42306°N 71.21167°W / 42.42306; -71.21167
ArchitectThe Architects Collaborative
Architectural styleModern
NRHP reference No.15000981[1]
Added to NRHPJanuary 19, 2016

Six Moon Hill is a residential neighborhood and historic district of mid-century modern houses in Lexington, Massachusetts.


Incorporated in 1947, the community originally encompassed 28 houses which were built between 1947 and 1953. Most were designed by members of the Cambridge, Massachusetts firm The Architects Collaborative (TAC) who also lived and raised their families in the new development. The neighborhood was added to the National Register of Historic Places list in 2016.[2]

The development attracted attention from both the architectural and popular press right away because of the contemporary design ideas, reasonable cost, and practical thinking about how to support community life. [3][4] Started soon after the construction of Lexington's first modernist house,[5] Six Moon Hill was the first of many modernist developments in Lexington. Developments that followed include Peacock Farm, started in 1951; Five Fields, also designed by TAC architects and begun in 1951; and the slightly later Turning Mill neighborhood,[6] launched in 1956.[7]


After World War II, a quickly expanding population looked to develop land for housing in suburban and rural areas near major metropolitan areas. Federal and local governments helped facilitate the construction of many planned communities and housing developments, such as Levittown, NY (and other related Levittowns in Pennsylvania, New Jersey, and Puerto Rico) and Rohnert Park in California. In order to build as quickly and affordably as possible, many of the single-family housing projects involved tract housing, which included similarly-sized lots and houses of similar design.

In 1947, a group of TAC architects were looking to move from their rented lodgings in Cambridge and had the idea of building their own community. Their goals were two-fold: build homes based on modern design principles and 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".[8]

An indication of the cooperative nature of the endeavor was that after house sites had been drawn up, they were all priced the same. The first twelve sites were assigned to participating families by drawing numbers from a hat.[9]The egalitarianism of the neighborhood also reflected the philosophy of Walter Gropius and TAC. All members of TAC, including Gropius, had equal shares in the company, and he insisted that he not be looked at as the president.[10] Of the original TAC founders, only Gropius did not have a house on Moon Hill, having already built his house (Gropius House) in Lincoln, Massachusetts.

The group 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. [11]

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 20 acres (81,000 m2) on which to build, which were divided into 29 equally-priced lots of about one-half to three-quarters of an acre each. The neighborhood continues to run as an organized community in which each household pays dues and holds two voting shares.


TAC-designed house from 1950, with recent additions

Although TAC members claimed that they were not trying to create a "style",[12] the houses can be seen as reflecting many features of what is now thought of as the mid-century modern style: the houses all have flat, low-pitched, or butterfly roofs, narrow vertical siding, whole walls of glass, and a total lack of extraneous ornament.[2] Among the design innovations employed in early homes were the use of radiant heating embedded in concrete or slate floors, use of bubble skylights manufactured originally as World War II bomber turrets, and the early adoption of flexible open plan interiors.[13] The project gained early prestige when an article in Architectural Forum featured dramatic photographs by Ezra Stoller who had previously published key works by Frank Lloyd Wright and Alvar Aalto. As described in that 1950 article, three year's after the neighborhood's incorporation, 19 houses had been built with costs ranging from $10,000 to $22,000 with 1,100 to 2,200 square feet floor plans--moderate in both price and size.[3]

Landscape and environment[edit]

The rocky hill on which the neighborhood is built provides many visual reminders of New England's glacial past, with large expanses of granite ledge visible outside and sometimes inside the houses. The neighborhood is crossed with rough stone walls of a form typical to this part of New England, which are essentially linear piles of large rocks, placed there by settlers in the 18th and early 19th century.[14] At the time the former grazing land was purchased by TAC, some of the steeper areas had become reforested. Photographs of the newly built houses show young juniper and birch trees, which are typical pioneer species that emerge after an area ceases to be grazed or mowed. Most recently the area is populated with many mature white pines, hickory, red and white oaks which thrive in the highly acidic, stony soil.

Stone wall on Six Moon Hill.jpg

The terrain, which might have been considered a disadvantage to most suburban builders, was an inspiration to TAC architects.[15] They sited their houses to take maximum advantage of distant views, winter sunlight, and summer breezes.[16] They acknowledged the influence of Frank Lloyd Wright in the use of large overhangs to block out strong summer sunlight.[11]

Although the new buildings were in many ways thoughtfully designed in relation to the landscape, a full embrace of environmental concepts by the architectural profession was many decades away. As built originally, the Six Moon Hill houses had some limitations in a New England climate. The large walls of glass that made such a visual impact were inefficient in terms of energy use. In the twenty-first century, among the first undertakings for those purchasing homes from early owners has been to replace the ubiquitous single-pane glass and uninsulated metal window frames.

Similarly, the flat roofs that are typical of mid-century houses can be seen to be a disadvantage in a climate that routinely experiences large accumulations of snow. A continuing interest in the relationship between buildings and the environment was displayed in later years by Sarah P. Harkness when she co-authored a study on the topic of sustainable design.[17]

Community and family life[edit]

Neighborhood volunteers repair TAC-designed pool house (built ca 1960)

Although much current interest focuses on Six Moon Hill's mid-century modern architecture, TAC's greatest innovation there may have been how they reimagined neighborhoods and housing plans to better support child-rearing.[18] The presence of two women who were also mothers among the founding partners of TAC (Jean B. Fletcher and Sarah P. Harkness) undoubtedly affected TAC's consideration of how design can improve family life. Unlike the Gropius House which features a separate kitchen intended to be staffed by a cook, Six Moon Hill houses were designed to function without servants and often featured kitchens which opened directly onto living areas, simplifying supervision of children.[19]

TAC's philosophy affected not only the design of individual houses but also the neighborhood layout, which included a large area of common land and later a swimming pool. These shared resources were, and continue to be, popular gathering places for children and adults. Early visitors noted the informal, supportive atmosphere of the neighborhood, and the fact that children were as likely to be found in someone else’s house as their own.[20]

Although they did not use concepts of Feminism to describe how they lived, TAC partners modeled a way of life that diverged from prevailing norms in post-World War II America, including subtly different gender roles.[18][21] During the year Six Moon Hill was founded, Fletcher and Harkness were featured in the local press for their novel shared schedule which enabled them to work in an office as architects while raising young children.[22]

Also influencing the feeling of community were the early neighborhood bylaws affecting house design, the requirement to build within two years of lot purchase, and the right of neighbors to have first refusal in the event someone wanted to sell their house.[11] A review committee made up of residents was formed to assure that new structures and additions were in keeping with the original concepts. Bylaws included a prohibition on the use of fences to mark boundaries between lots, a notable departure from other neighborhoods in town, and concrete evidence that the neighborhood was considered one interrelated whole.[18]

Notable residents[edit]

Among the original architects (and residents) were Benjamin C. Thompson, Norman C. Fletcher, Jean B. Fletcher, John C. Harkness, Sarah P. Harkness, Robert S. McMillan, and Louis A. McMillen, who were all TAC founders. Additional associated architects and founding community members included Richard S. Morehouse,[23] William Haible,[13] Leonard Currie (who in 1961 designed the historic Pagoda House in Blackburg, Virginia), and Chester Nagel.[24]

Other well-known original residents included mathematician W. T. Martin (MIT mathematics department head from 1946-1968) and Wallace E. Howell (a meteorologist known for developing techniques of seeding rain clouds during drought).[25] Later notable residents included Nobel chemist Konrad Bloch, Nobel physicist Samuel C.C. Ting, Dr. Thomas C. Chalmers (a pioneer of modern medical research methods), Robert Newman, (co-founder of research firm, Bolt Beranek and Newman), and John C. Sheehan (the first chemist to synthesize penicillin).[26] Art historian Simon Schama lived on Moon Hill between 1981 and 1993.[citation needed]

Recent years[edit]

"The Big Dig House" designed by Single Speed Design, built in 2004

In 2003, the last undeveloped lot in the neighborhood was purchased by a building contractor who had worked on the large Central Artery tunnel project in Boston. Nicknamed the "Big Dig House" after the popular name for that project, it was designed by architects John Hong and Jinhee Park and recycled some of the large steel and concrete materials that had been used during construction.[27]

See also[edit]


  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
  2. ^ a b Clouette, Bruce (December 2015). Six Moon Hill Historic District National Register of Historic Places Nomination Form (PDF). United States Department of the Interior.
  3. ^ a b "Six Moon Hill". Architectural Forum: 112–123. June 1950.
  4. ^ Clouette, Bruce (November 2012). Mid-century Modern Houses of Lexington, Massachusetts, National Register of Historic Places Nomination Form. National Archive Catalog.
  5. ^ "Town of Lexington Inventory of Historic Areas & Structures: Post 1940 Period". Town of Lexington Massachusetts. Retrieved 3 January 2022.
  6. ^ "Turning Mill Homes Slide Show". Town of Lexington, MA. Retrieved 4 January 2022.
  7. ^ "Turning Mill Conservation District". Town of Lexington, MA. Retrieved 1 November 2021.
  8. ^ Quagliata, Andrea (2014). Modern Orthodoxy & Eclecticism: The Case Study of Six Moon Hill. ASIN : B01GBVJR0A. p. 98.
  9. ^ Grady, Anne; Seasholes, Nancy (May 18, 1985). Tour Notes: History of Six Moon Hill. Cary Memorial Library: LEX ROOM 974.44L H628mhm: Moon Hill Memories (50th Anniversary June 14, 1997) -Unpublished pamphlet.{{cite book}}: CS1 maint: location (link)
  10. ^ Norman Fletcher interview in Perry Neubauer, "Still Standing: Conversations with Three Founding Partners of the Architects Collaborative", 2007 (DVD)
  11. ^ a b c Campbell, Robert (April 7, 1994). "Utopia Revisited: Built by Architects Seeking a Model for Community Life, Six Moon Hill Has Thrived for 45 Years". The Boston Globe.
  12. ^ Sarah P. Harkness interview in Perry Neubauer, "Still Standing: Conversations with Three Founding Partners of the Architects Collaborative", 2007 (DVD)
  13. ^ a b Morgan, Keith N. (2012). "Six Moon Hill". The Societ of Architectural Historians: SAH Archipedia. Retrieved 2 January 2022.
  14. ^ Thorson, Robert M. (2002). Stone by Stone: The Magnificent History in New England's Stone Walls. Walker & Company. ISBN 0-8027-1394-7.
  15. ^ Gropius, Walter; Harkness, Sarah P. (1966). The Architects Collaborative 1945-1965. Teufen AR, Switzerland: Arthur Niggli Ltd. p. 37.
  16. ^ Hartford, Pamela; Pressley, Marion. "Historic American Landscapes Survey--Six Moon Hill: Entry 2015 HALS Challenge: Documenting Modernist Landscapes". Library of Congress.
  17. ^ Horst, Leslie; Harkness, Sarah P. (1985). "Sustainable design for two Maine islands: final report, a study conducted by the Institute for Energy Conscious Design, Boston Architectural Center". Retrieved 15 January 2022. {{cite journal}}: Cite journal requires |journal= (help)
  18. ^ a b c Hurley, Amanda Kolson (2019). Radical Suburbs: Experimental Living on the Fringes of the American City. Cleveland, Ohio: Belt Publishing. pp. 91–111. ISBN 978-1-948742-36-8.
  19. ^ Grady, Anne; Seasholes, Nancy. Tour Notes: History of Six Moon Hill. p. 6.
  20. ^ "The Good Life, Inc". Vogue. February 1, 1954.
  21. ^ Kubo, Michael. "Jean Bodman Fletcher". Pioneering Women of American Architecture. Beverly Willis Architecture Foundation. Retrieved 30 December 2021.
  22. ^ Walker, Barbara Brooks (March 2, 1947). "No Woman Should Stay Home: Two Cambridge Wives Solve Career Problem". The Boston Globe: A-9.
  23. ^ "Richard S. Morehouse". Villlage Soup. Republican Journal. Retrieved 9 January 2022.
  24. ^ Nagel, Chester E. "Chester E. Nagel collection". Alexander Architectural Archive. University of Texas Libraries, The University of Texas at Austin. Retrieved 19 January 2022.
  25. ^ Fountain, Henry (July 6, 1999). "Wallace E. Howell, 84, Dies; Famed Rainmaker in Drought". The New York Times. Retrieved 9 January 2022.
  26. ^ "Professor John C. Sheehan Dies at 76". MIT News. Retrieved 1 November 2021.
  27. ^ Flint, Anthony (April 25, 2004). "He could call it his Big Digs". The Boston Globe.