John Lewis Burckhardt (1784–1817) was a Swiss explorer who is best remembered for his rediscovery of the ancient city of Petra, in Jordan. In 1809 he was commissioned by the African Association to discover the source of the River Niger. In preparation for this journey, for which he needed to pass as a Muslim, Burckhardt spent two years exploring and studying Arabic in Aleppo, before travelling widely in Arabia and Egypt. These volumes, first published...