Alexander Duff (25 April 1806, in Edinburgh – 12 February 1878, in Sidmouth), was a Christian missionary in India; where he played a large part in the development of higher education. He was a Moderator of the General Assembly and convener of the foreign missions committee of the Free Church of Scotland and a scientific liberal reformer of anglicized evangelism across the Empire. He was the first overseas missionary of the Church of Scotland to India. On 13 July 1830 he founded the General Assembly's Institution in Calcutta, now known as the Scottish Church College. He also played a part in establishing the University of Calcutta. He was twice Moderator of the Free Church of Scotland in 1851 and 1873, the only person to serve the role twice. Source: Wikipedia (en)