Sir Thomas Walker Arnold (19 April 1864 – 9 June 1930) was a British orientalist and historian of Islamic art. He taught at Muhammadan Anglo-Oriental College, later Aligarh Muslim University, and Government College University, Lahore.Arnold was a friend of Sir Syed Ahmed Khan, who influenced him to write the famous book The Preaching of Islam, and of Shibli Nomani, with whom he taught at Aligarh. He taught Syed Sulaiman Nadvi and the poet-philosopher Muhammad Iqbal. He was the first English editor for the first edition of The Encyclopaedia of Islam. Source: Wikipedia (en)