Alfred G. Vigderman, 63, a former Senate aid and retired Foreign Service officer who had taught at Tufts University since 1973, died Wednesday at his Lexington, Mass, home after a heart attack.

Mr. Vigderman came to Washington in 1941 as a lawyer for the old Office of Price Administration. He later worked for two years as a legislative assistant to former Sen. Scott W. Lucas (D-Ill.), then a year as secretary of the Senate's Democratic Policy Committee before joining the State Department in 1949.

He worked as a legal adviser for the State Department for three years was named to the U.S. delegation to NATO in Paris in 1952 and later served at American embassies in West Germany and Greece.

He served as deputy assistant secretary of transportation for international affairs from 1967 to 1969, then country director for Greece at the State Department. He was American consul general in Palermo, Italy, from 1971 until he retired from the Foreign Service two years later.

Mr. Vigderman taught at the Fletcher School of Law and Diplomacy at Tufts University as a visiting professor and diplomat in residence from 1966 to 1967.He rejoined the school's faculty, teaching international relations, in 1973.

He also worked as a consultant and legal adviser to the Massachusetts League of Cities and Towns.

A native of Philadelphia, he earned bachelor's and law degrees at the University of Pennsylvania.

Survivors include his wife, Edith A, of the home: two daughters, Patricia, of Cambridge, Mass, and Linda V. Bamber, of Lexington, and one grandchild.