Dr, Dennis P. Lee, 53, and associate professor of social work at the University of the District of Columbia, died Sunday at Alexandria Hospital after a heart attack.

Dr. Lee, a native of Alexandria, was a psychiatric social worker in Alaska, Illinois and Pennsylvania before returning to this area in 1969. He had been on the faculty of the University of the Columbia and its predecessor schools since then.

He also was associated with the Hopkins House Association, a social settlement house in Alexandria, for the last 10 years. He served there at various times as a consultant, community orgainzer and assistant and acting director.

During the summers, he taught seminars at the National Institutes of Health.

Dr. Lee earned a bachelor's degree from Storer College, a master's degree in social work from Atlanta University an a doctorate in philosophy from the Union Graduate School.

He developed human service work-shops in this area and served as a sponsor to both American and African students seeking to further their education.

Dr. Lee was on the board of directors of the Alexandria Mental Health Association and served on the Alcoholic and Drug Substance Abuse Board.

He also served on the board of directors of the Alexandria chapter of the NAACP, was active in the National Association of Black Social Workers and was a member of the Inner City Civic Association.

Dr. Lee received numerous awards in recognition of his contributions in the field of social work and education.

Survivors include two sister, Ceclia Baynard, of Washington, and Bessie Faison, of Baltimore, and a brother, Vincent H.Lee Sr., of Atlanta. CAPTION: Picture, DR. DENNIS P. LEE