George Leslie Mackay, Canadian missionary and author (b. 1844)
George Leslie Mackay 偕瑞理 or 馬偕 Má-kai (21 March 1844 – 2 June 1901) was the first Presbyterian missionary to northern Taiwan (then Formosa). He served with the Canadian Presbyterian Mission. Mackay is among the best known Westerners to have lived in Taiwan.