Mags Harries and Lajos Héder are artists working collaboratively to create public art across the United States from their studio.^[1]

A married couple, they formed Harries/Héder Collaborative in 1990 and have worked together on major public art commissions^[2] since then. Based in Cambridge, Massachusetts, they have completed over thirty public projects with budgets up to $6 million.^{[citation needed]} They designed Acoustic Weir in Cambridge, Massachusetts.^[3]

Mags Harries (born 1945),^[4] a Welsh sculptor born in Wales, attended Leicester College of Art before immigrating to the United States to study at Southern Illinois University.^{[citation needed]} She teaches at the School of the Museum of Fine Arts, Boston on sculpture, installation, and public art.^[5] Her 1976 work Asaroton was installed in Boston.^[6] She created the Glove Cycle installation at a Boston subway station in 1984.^[7][8] Two of her untitled 1972 prints are held by Harvard Art Museums,^[4] and a 1975 charcoal on paper work Theater is held by Museum of Fine Arts, Boston.^[9]

Lajos Héder, an artist born in Hungary, studied architecture and urban planning at Harvard University.^{[citation needed]} Before forming Harries/Héder Collaborative, he worked on community projects, urban design, site planning, architecture, and construction.^[10] He was the principal author of the US Department of Transportation's Aesthetics in Transportation (1980).^[11]

They have two daughters, writer/director Sian Heder^[12] and author/artist Thyra Heder.^[13]

• Wall Cycle to Ocotillo (1992), Phoenix, Arizona
• Miramar Park, Florida (2000)^[14]
• City at the Falls, Commonwealth Convention Center, Louisville, Kentucky (2000) design team artists^{[citation needed]}
• Drawn Water, Cambridge Water Department, Cambridge, Massachusetts (2001) design team artist^[15]
• WaterWorks at Arizona Falls, Arizona Falls, Phoenix, Arizona (2003) design team artists^[16]
• The Benefit of Mr. Kite, San Diego Port Authority, San Diego, California (2003)^{[citation needed]}
• Connections, [Central Connecticut State University], New Britain, Connecticut (2005)^{[citation needed]}
• Arbors and Ghost Trees, Baseline Road, Phoenix, Arizona (2005) with Ten Eyck Landscape Architects^{[citation needed]}
• Terra Fugit, Miramar Park, Fort Lauderdale, Florida (2006) design team artists^[17]
• The Big Question, Des Moines Science Museum, Des Moines, Iowa (2007)^{[citation needed]}
• Concord River Greenway Trail Master Plan, Lowell, Massachusetts (2007)^{[citation needed]}
• A MoonTide Garden, International Ferry Terminal, Portland, Maine (2007)^{[citation needed]}
• Solar Light Raft, Havana Square, Stapleton, Colorado (2008)^{[citation needed]}
• Sun Flowers, an Electric Garden, Mueller Development, Austin, Texas (2009)^[18]
• History Colorado Center, Denver, Colorado (2009)^{[citation needed]}
• Zanjero's Line, Highline Canal, Phoenix, Arizona (2010) with Ten Eyck Landscape Architects^{[citation needed]}
• Terpsichore for Kansas City, Arts District Parking Garage, Kansas City, Missouri (2011) with David Moulton, Roberta Vacca, Bobby Watson^{[citation needed]}
• Xixi Umbrellas, Xixi Wetland Park, Hangzhou, China (2012) Westlake International Invitational Sculpture Exhibition^{[citation needed]}
• Meeting Place, The Downtown Greenway, Greensboro, North Carolina (2014)^[1]