Francisco de Orellana (1511-1546) was a Spanish explorer and conquistador who completed the first known navigation of the Amazon River, rriving at the river's mouth on 24 August 1542. He named this river and founded Guayaquil. He and his party sailed along the Atlantic coast until reaching Cubagua Island, near the coast of Venezuela.
Editors. "Amazon explored by Francisco de Orellana". The Literary Encyclopedia. First published 01 January 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=10042, accessed 30 November 2015.]