Pei Cobb Freed & Partners is a firm of architects, located in New York City. Since its formation in 1955, it has completed more than 200 projects in over 100 cities across North America and worldwide. The firm's clients have included major corporations, private developers and public authorities, as well as educational, cultural and religious institutions. Among its best-known works are the John F. Kennedy Library and John Hancock Tower in Boston, and the U.S. Bank Tower in Los Angeles. The firm has also been involved in the expansion and modernization of the Louvre museum in Paris. Pei Cobb Freed & Partners has received the Lifetime Achievement Award of the New York Society of Architects.