• Officers salute moments before a convoy of four MIT Police cruisers pulled away from the Collier Memorial, symbolically opening it to the MIT community.

    Officers salute moments before a convoy of four MIT Police cruisers pulled away from the Collier Memorial, symbolically opening it to the MIT community.

    Photo: Dominick Reuter

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  • During the National Anthem at today's dedication of the Collier Memorial: (from left) John DiFava, MIT's director of campus services and chief of police; Cambridge Mayor David Maher; MIT President L. Rafael Reif; and MIT Executive Vice President and Treasurer Israel Ruiz.

    During the National Anthem at today's dedication of the Collier Memorial: (from left) John DiFava, MIT's director of campus services and chief of police; Cambridge Mayor David Maher; MIT President L. Rafael Reif; and MIT Executive Vice President and Treasurer Israel Ruiz.

    Photo: Dominick Reuter

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  • Sean Collier's brother, Rob Rogers — who worked on the memorial for construction manager Suffolk Construction — was among many family members in attendance today.

    Sean Collier's brother, Rob Rogers — who worked on the memorial for construction manager Suffolk Construction — was among many family members in attendance today.

    Photo: Dominick Reuter

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  • Professor J. Meejin Yoon, head of MIT's Department of Architecture, designed the Collier Memorial.

    Professor J. Meejin Yoon, head of MIT's Department of Architecture, designed the Collier Memorial.

    Photo: Dominick Reuter

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  • Attendees gathered around and inside the newly opened Collier Memorial at the conclusion of today's ceremony.

    Attendees gathered around and inside the newly opened Collier Memorial at the conclusion of today's ceremony.

    Photo: Dominick Reuter

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  • Israel Ruiz, MIT's Executive Vice President and Treasurer (center), shook hands with John DiFava, MIT's director of campus services and chief of police, following the dedication ceremony.

    Israel Ruiz, MIT's Executive Vice President and Treasurer (center), shook hands with John DiFava, MIT's director of campus services and chief of police, following the dedication ceremony.

    Photo: Dominick Reuter

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  • MIT President L. Rafael Reif and his wife, Christine, greeted members of the MIT Police after the ceremony.

    MIT President L. Rafael Reif and his wife, Christine, greeted members of the MIT Police after the ceremony.

    Photo: Dominick Reuter

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  • The smooth, curved vault of the granite memorial is supported by five radial walls. Members of the MIT community gathered around and inside the structure following today's ceremony.

    The smooth, curved vault of the granite memorial is supported by five radial walls. Members of the MIT community gathered around and inside the structure following today's ceremony.

    Photo: Dominick Reuter

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  • Situated on the site where Officer Sean Collier was killed on April 18, 2013, the Collier Memorial is composed of 32 blocks of granite that form a five-way stone vault. The smooth, curved vault contains the inscription: “In the line of duty, Sean Collier, April 18, 2013.”

    Situated on the site where Officer Sean Collier was killed on April 18, 2013, the Collier Memorial is composed of 32 blocks of granite that form a five-way stone vault. The smooth, curved vault contains the inscription: “In the line of duty, Sean Collier, April 18, 2013.”

    Photo: Dominick Reuter

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A memorial built “with big hearts, and all love”

Officers salute moments before a convoy of four MIT Police cruisers pulled away from the Collier Memorial, symbolically opening it to the MIT community.

Inspired by an open hand, newly dedicated Collier Memorial opens a gateway to the MIT campus.


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Today, at the height of a brisk spring day, a permanent memorial was unveiled in tribute to MIT Police Officer Sean Collier, who was killed in the line of duty on April 18, 2013.

More than 3,000 people from the MIT community — along with hundreds of officers from MIT, the city of Cambridge, the Massachusetts State Police, and many surrounding campus and municipal police departments — joined members of Collier’s family to honor his memory with the commemoration of a thoughtfully conceived and precisely engineered monument, dedicated in the officer’s name.

The Collier Memorial — between the Stata Center and the Koch Institute for Integrative Cancer Research, alongside Vassar Street — stands as five massive half-arches that extend from a central keystone, like the fingers of an open hand. Each wall is built from blocks of solid, polished granite — 32 in all — pieced together in such a way that each block holds the others up, creating an interlocking, self-supporting edifice.

As the memorial’s architect, J. Meejin Yoon, professor and head of the Department of Architecture, noted at the ceremony, the process of constructing the memorial was “a deeply humbling experience.” The two-year process involved more than 100 people across campus, including members of the MIT Police, faculty, students, and staff, who worked “blizzard after blizzard … in a race against time to build a timeless structure.”

The result is a powerful new tribute to Collier, as well as a place of reflection for the MIT community, and a new gateway to the campus.

“We come together at the end of a long winter,” MIT President L. Rafael Reif told a crowd that filled a giant tent and spilled out onto MIT’s North Court. “But today, in the warmth of each other’s company, and through the bright memory of Sean’s example, I believe we have found spring at last.”

“Now we have more … so much more.”

In welcoming the community to the memorial, Israel Ruiz, MIT’s executive vice president and treasurer, hoped the structure would provide “a sense of protection … a place where an open hand reminds us that we are a community that stays true to its values, and reaches out to those in need, as Officer Collier did, even in the face of the ultimate threat.”

John DiFava, MIT’s director of campus services and chief of police, recalled that in the days following Collier’s death, an impromptu memorial quickly sprang up at the site where the permanent memorial now stands. At the time, people brought stuffed animals, flowers, candles and pictures to the site, creating a collection of remembrances that seemed to provide “a sense of stability in uncertain times.”

“Now we have more,” DiFava said today. “So much more.”

An intimate space

The ceremony featured the premiere of a 10-minute video — produced for the Department of Architecture and titled “Strength Through Unity: The Making of the Collier Memorial at MIT” — which documents the structure’s conception and construction.

In its composition and its form, the memorial pays homage to Collier’s character. In considering materials, the Sean Collier Permanent Memorial Committee finally settled on granite — a nod to Collier’s love of hiking, and his many trips to New Hampshire’s granitic White Mountains with the MIT Outing Club.

The memorial’s five granite walls come together to create an open space, the shape of which is the precise form of an oblong stone from a cairn — a stone pile built along mountain trails to guide hikers — that was created in Collier’s honor by members of the MIT Outing Club. The two walls that are closest together align with the location where Collier’s police cruiser sat when he was fatally shot.

“It’s the most intimate space of the memorial,” Yoon noted.

As a subtle detail, the memorial’s pavement is inlaid with point lights, reflecting the positions of constellation and stars in the sky on the night of April 18, 2013, when Collier died.

“Resolved to build, block by block”

“There were many times when we had to keep our emotions in check because it was such an emotional project for everyone involved,” John Ochsendorf, the Class of 1942 Professor and an engineering consultant on the Collier Memorial, said in the video unveiled today.

This was especially true for one member of the team in particular: Rob Rogers, a project manager with construction manager Suffolk Construction, and Collier’s brother.

In her remarks today, Yoon recalled Rogers showing up at the site daily, “at the crack of dawn … resolved to build, block by block, the memorial for today’s commemoration.”

“It must have been incredibly hard to work every day so close to the site where Sean was killed,” Yoon said. “But Rob always had quiet strength, a kind spirit, and a contagious smile. And while no physical structure could truly represent the fullness of Sean’s life, and the meaning of his loss, for those of us who had the opportunity to learn about Sean from Rob … I can only say, it was truly an honor.”

“With big hearts, and all love”

The construction of the memorial was exacting, Yoon said, culminating a few weeks ago, on a “tense and cold day,” when 30 students, masons, and engineers “frantically checked scales and laptops” in anticipation of removing the scaffolding supporting the heavy keystone, and lowering it onto the granite walls below.

“It was the moment of truth,” Yoon said. But after eight nail-biting hours, once every granite piece had settled into place, the architect recalled being struck by a profound realization: “The memorial had really been built, not with granite blocks, but with big hearts, and all love.”

That sentiment is in reference to a passage from Rogers’ eulogy to Collier, which is inscribed on one of the structure’s walls: “Live long like he would. Big hearts, big smiles, big service, all love.”

“Today we celebrate a place of shelter”

The memorial ceremony included a presentation of the colors by the MIT Police Honor Guard, along with a performance of “Here We Are,” a poem written by Erica Funkhouser, an MIT lecturer in Comparative Media Studies/Writing, and students in her Advanced Poetry class. The poem’s closing line invites the community to explore the memorial:

“Two years ago, we were sheltering in place; today we celebrate a place of shelter.
Take a look around.
Open heart. Open mind. Open hand.”

As the ceremony drew to a close, a line of MIT Police cruisers that had surrounded the structure silently illuminated their blue lights and drove slowly off the site, officially opening the memorial to Collier’s family, friends, and community.

“Beginning today, this memorial will be a landmark in our daily lives, a new gateway to the campus we share,” Reif said. “I hope that in its graceful display of invisible physical forces, it can become a daily reminder of those invisible human forces that create community.”


Topics: Sean Collier, Design, Campus buildings and architecture, Community, Architecture, School of Architecture and Planning, Special events and guest speakers, President L. Rafael Reif, Facilities

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