Robertson was promoted to the substantive rank of major on 11 January 1930 . In February 1932 , he became a military advisor to the British delegation to the League of Nations conference on disarmament in Geneva , along with Lieutenant Colonel Christopher Dawnay and Brigadier Arthur Temperley . His father died on 12 February 1933 , and he inherited the baronetcy . The disarmament conference was a failure ; negotiations stalled , and on 14 October 1933 , the new Chancellor of Germany , Adolf Hitler , announced that Germany was withdrawing from the League of Nations . Robertson 's next posting was back to India as an instructor at the Staff College , Quetta , but he decided , in view of the dismal prospects for promotion in the Army , to retire on half pay and accept an offer from Eric Geddes to manage a Dunlop Rubber factory in South Africa . The officer sent in his place died in the 1935 Quetta earthquake
1935 Quetta earthquake
1935 Quetta earthquake
Brian Robertson, 1st Baron Robertson of Oakridge