Robert A. Blackhall of Kennett Square

Robert A. Blackhall, 74, of Kennett Square, died Saturday, Dec. 14, at the Jennersville Regional Hospital. He was the husband of Dorothy Ille Blackhall, with whom he shared 54 years of marriage. Born in Minot, N.D., he was the son of Anna Maria Mayer Blackhall of Austin, Texas and the late Alfred W. Blackhall. He received his bachelor’s degree in mechanical engineering from the Montana…