after retiring from the army with the rank of brigadier, he became director of the wellcome laboratories of tropical medicine, remaining in office until 1955. he was knighted in 1958, appointed an officer of the order of the british empire (obe) in 1942, and a fellow of the royal society and of the royal college of physicians in 1951. he received honorary doctorates from the universities of salford and glasgow and the manson medal in 1968.