In 1968 a group of young people took over a derelict trouser factory in a rundown part of Leeds and set about producing programmes that were to define the British television world of the late 20th Century.These included the investigative documentary series First Tuesday, Darling Buds of May, Whickers World, Do'nt Ask Me and Heartbeat.At the same time they attracted, indeed often created, stars of international fame such as James Mason, Catherine Zeta Jones, Alan Whicker, Da...