Robert John Wilmot Horton became associated with colonial affairs in an official capacity at a time when the Colonial Office was in the throes of a reorganization. He did not bring any previous experience to his new office, and his ability was not highly rated - ‘He had always appeared to me a particularly silly fellow’, Lord Melbourne, the prime minister, was to remark later - but his tenure as the Under-Secretary of State for War and Colonies was not devoid of success. The role he played in the reorganization of the Colonial Office, for instance, was noteworthy. He proved to be an able lieutenant to Earl Badiurst, the Secretary of State. Yet Horton attained only a limited success in his political life. By the year 1828 he was out of office, and by 1830 was out of parliament. Having reached an impasse in his political life, Horton was led to seek a colonial appointment, a decision which was also partly strengthened by his pecuniary embarrassments. He staked a claim to the Governorship of Canada, and later to the Governorship of Madras, but what he was to receive was a less coveted position, the Governorship of Ceylon.