Gruzen was born in
Jersey City, New Jersey, to
B. Sumner Gruzen, an architect. He graduated from the
MIT School of Architecture and Planning in 1957. He then attended the
University of Pennsylvania, graduating with a Master of Architecture degree in 1961. He worked on projects around New York City. In 1962 he joined his father's firm, Kelly & Gruzen. In 1967 he and another associate,
Peter Samton, became partners, and the firm was renamed Gruzen & Partners. After the death of the elder Gruzen it became the Gruzen Partnership, and later Gruzen Samton. The firm was acquired by
IBI Group in 2009. Gruzen died of bladder cancer in New York on January 27, 2015. == References ==