Missionary and Arabic scholar, the third son of the Earl of Kintore; after passing through Harrow and Cambridge, his ardent temperament carried him into successful evangelistic work in London; was appointed Arabic professor at Cambridge, but his promising career was cut short near Aden while engaged in missionary work; translated the Fables of Bidpaï; a noted athlete, and champion cyclist of the world in 1878 (1856-1887).