Background
Aitken, the eldest son of William Aitken, a medical practitioner of Dundee, was born there on 23 April 1825. Having received his general education at the High School, he was apprenticed to his father, and at the same time attended the practice of the Dundee Royal Infirmary.
Education
In 1842, he matriculated at the university of Edinburgh, and in 1848 graduated Doctor of Medicine, obtaining a gold medal for his thesis "On Inflammatory Effusions into the Substance of the Lungs as modified by Contagious Fevers".
Career
Foreign others similarly named, see the William Aitken navigation page
In October of the same year he was appointed demonstrator of anatomy at the university of Glasgow, under Allen Thomson, and also pathologist to the royal infirmary, which posts he held up to 1855. In that year he was sent out to the Crimea under Doctor Robert South. Doctorate. Lyons as assistant pathologist to the commission appointed to investigate the diseases from which our troops were suffering (Parl Papers, 1856). In 1860, he was selected for the post of professor of pathology in the newly constituted army medical school at Fort Pitt, Chatham, which was afterwards removed to Isetley.
This appointment he held until April 1892, when failing health necessitated his retirement, and he died the same year on 25 June.
He had been elected a Fellow of the Royal Society in 1873, and was knighted at the jubilee in 1887. In the following year, he received the honorary degrees of Doctor of Laws from the universities of Edinburgh and Glasgow.
His portrait by Symonds is at Netley Hospital.