Leon Marks Lion was an English actor, primarily of stage but also of screen; playwright, theatrical manager and producer. His first professional performance was in 1897, and he went on to enjoy a successful and varied career on the stage (including touring with light opera and Shakespeare companies), regularly performing in London's West End; as well as writing and producing for the theatre. He played in and produced a number of plays by Nobel laureate John Galsworthy, whose letters to Lion were