Sir Donald Daniel Mann (March 23, 1853 – November 10, 1934), who was also referred to as "Dan" or "D.D." before his knighthood, was a Canadian railway contractor and entrepreneur.
Sir Donald Daniel Mann (March 23, 1853 – November 10, 1934), who was also referred to as "Dan" or "D.D." before his knighthood, was a Canadian railway contractor and entrepreneur. (en)