James M. Rock, 84, of Bryn Mawr, a former advertising sales representative, died Sunday, Sept. 30, at Bryn Mawr Hospital.
Mr. Rock was born in Marshall, Minn., graduated from the University of Minnesota, and was in the armed services.
He met his wife, Rita Ann, who died in 1999, while they were working one summer at Glacier National Park, according to their daughter, Anne Rock Maurer. "They were the best of friends, complemented each other perfectly," she said.
Mr. Rock spent most of his advertising sales career at the Farm Journal, the nation's oldest agricultural publication, in Philadelphia.
"He was very collegial and friendly not just with his own clients, but even with the competition," his daughter said, adding that clients quickly became friends.