Veteran author. Born in Portmahomack (Easter Ross), Macnab was the son of a colonial administrator who became Governor of the Mull Combination Poorhouse. Educated at Tobermory School and later Dunfermline High School, Macnab entered a career in banking. Settling in West Kilbride (North Ayrshire), he was noted for his many and varied interests, including serving as President of the Clan MacNab Society, but particularly as the author of a series of definitive books on Mull. These include The Island of Mull (1970), Mull and Iona: Highways and Byways (1988) and Tobermory Teuchtar (1999), a personal account of life in Mull in the early years of the 20th century, published when he was ninety-five! In addition, Macnab contributed articles to a range of local, national and international magazines and newspapers, and was most-likely the longest-serving contributor to The Scots Magazine. he died in Ayrshire Central Hospital (Irvine).