His career of service spanned forty-four years, culminating with his posting as Consul General at New York, and followed by his appointment as director of the American Forces Liaison Division of the Ministry of Information.
[1][2][3] He was the nephew of prolific author Sir Henry Rider Haggard, who attained literary fame with his romances King Solomon's Mines and She: A History of Adventure.
[17] His appointment as British Consul General at New York was announced on 9 Jun 1938; he succeeded Sir Gerald Campbell, who became High Commissioner to Canada.
[6] Later in 1938, Haggard was also appointed Consul General for the States of New York, Connecticut, and New Jersey (with the exception of the counties of Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester, Ocean, and Salem), as well as the islands of Saint Pierre and Miquelon.
[27] Their second child Paul died as an infant in Somersworth, New Hampshire, United States, where the Ruel family had immigrated in the late nineteenth century.