John Thomas Hamilton Macallum: A Highland Visionist Born in the rugged landscapes of Argyllshire, Scotland, in 1841, John Thomas Hamilton Macallum’s life and art were inextricably linked to the dramatic beauty of his native Highlands. His early life, dictated by his father's ambition for an Indian commercial career, initially steered him towards a conventional path, but a burgeoning passion for painting ultimately led him to London in…