The closure of Wolff in 1933 and operational disagreements among the remaining three members led to the formal breakup of the cartel in 1934. UPI, the world’s largest privately owned news agency,...

The closure of Wolff in 1933 and operational disagreements among the remaining three members led to the formal breakup of the cartel in 1934. UPI, the world’s largest privately owned news agency, eventually could not keep up with competing services and has gone through two bankruptcy reorganizations and five owners since being sold by the Scripps family in 1982.