penny). On 3 May 1966, it resumed printing news on the front page – previously the front page had been given over to small advertisements, usually of interest to the moneyed classes in British society. Also in 1966, the Royal Arms, which had been a feature of the newspaper's masthead since its inception, was abandoned. In the same year, members of the Astor family sold the paper to Canadian publishing magnate Roy Thomson. His Thomson Corporation brought it under the same ownership as The Sunday Times to form Times Newspapers Limited. An industrial dispute prompted the management to shut the paper for nearly a year from 1 December 1978 to 12 November 1979. The Thomson Corporation management were struggling to run the business due to the 1979 energy crisis and union demands. Management sought a buyer who was in a position to guarantee the survival of both titles, and had the resources and was committed to funding the introduction of modern printing methods. Several suitors appeared, including Robert Maxwell, Tiny Rowland and Lord Rothermere; however, only one buyer was in a position to meet the full Thomson remit, Australian media magnate Rupert Murdoch. Robert Holmes à Court, another Australian magnate had previously tried to buy The Times in 1980. From 1981 In 1981, The Times and The Sunday Times were bought from Thomson by Rupert Murdoch's News International. The acquisition followed three weeks of intensive bargaining with the unions by company negotiators John Collier and Bill O'Neill. Murdoch gave legal undertakings to maintain separate journalism resources for the two titles. The Royal Arms was reintroduced to the masthead at about this time, but whereas previously it had been that of the reigning monarch, it would now be that of the House of Hanover, who were on the throne when the newspaper was founded. After 14 years as editor, William Rees-Mogg resigned upon completion of the change of ownership. Murdoch began to make his mark on the paper by appointing Harold Evans as his replacement. One of his most important changes was the introduction of new technology and efficiency measures. Between March 1981 and May 1982, following agreement with print unions, the hot-metal Linotype printing process used to print The Times since the 19th century was phased out and replaced by computer input and photo-composition. This allowed print room staff at The Times and The Sunday Times to be reduced by