He was then War Correspondent for the News Chronicle in the Pacific, Australia, and New Zealand 1941–1943, was with the US Marines at Guadalcanal, flew as a tail gunner in a B17 and then joined the Political Intelligence Department of the Foreign Office where he ran the Yugoslav Department British Foreign Office, 1943–1945.

He was also a member of the Conservative Monday Club;[4] and was Chairman of the House of Lords Select Committee on EEC Scrutiny 1974–1979, Vice-Chairman of the Association of Conservative Peers Committee 1980–1987, Vice-Chairman and co-founder of the parliamentary group for Energy Studies 1980–1999, appointed Chairman of the 'Church in Danger' All-Party Parliamentary Group 1988.

Lauderdale's other roles included being a Director of Elf Aquitaine (UK) Holdings Ltd.,[3] Consultant in Economic Geography, an Industrial Consultant, a former editor of The Fleet Street Letter Service (an agency for political and diplomatic news), and editor of The Whitehall Letter.

He was a member of the College of Guardians of the National Shrine of Our Lady of Walsingham, Norfolk 1955–1982, and was President of The Church Union 1956–1961.

Lozanić), from Belgrade, Yugoslavia,[6] granddaughter of Professor Sima Losanitch, chemist, president of the Serbian Royal Academy, first rector of University of Belgrade, minister of foreign affairs, ambassador of the Kingdom of Serbia in London etc.,[citation needed] and had issue: