George Lamphere, former president of Washington, D.C.-based contractor Charles H. Tompkins Co. (later known as Tompkins Builders Inc.) and a builder of many city and area landmarks, died on Dec. 10, 2010, in Kensington, Md. Lamphere was 79 years old. He had suffered from Alzheimer’s disease, according to The Washington Post. LAMPHERE Lamphere, who joined the firm in 1954, served as president from 1985 until retiring in 1996. Tompkins became a subsidiary of contractor J.A. Jones Inc., Charlotte, N.C., in the early 1970s and was acquired by Turner Construction Co., New York City, in 2003, when Jones filed for bankruptcy.