and, finding his sympathies lay with the Poles, joined the Polish Army as a surgeon, remaining with them until the Russians finally put down the uprising in 1831.
In 1860, however, hearing that there was good land available in Otago, Buchanan travelled to Dunedin and rode into the interior, eventually buying a property called Patearoa which he then operated as a sheep station.
Eschewing his profession (other than to attend emergencies) Buchanan appears to have concentrated on farming, expanding Chingford in 1863 to 21 acres and regularly travelling to his sheep station.
Over the ensuing 12 years he was active in many issues but gained particular attention for his concern for the conditions of mental hospitals and is credited with developing "the humane method" in New Zealand.
His eldest daughter Emma, who married Humphrey Stanley Herbert Jones, was a noted botanist, author and artist.