Nominated by President Reagan on June 1 , 1981 , Beggs took his oath of office and entered the post on July 10 , 1981 , serving until December 4 , 1985 .
He was nominated by President Reagan on June 1 , 1981 . Beggs took his oath of office and entered the post on July 10 , 1981 , serving until December 4 , 1985 .