The papyrus raft seen here, the "Ra II", was used by this Norwegian anthropologist and explorer
The 
following year, 1970, a similar vessel, Ra II, was built of papyrus by Demetrio, 
Juan and Jose... [DOC] [TLE] Thor Heyerdahl Expeditions and Archaeology of the Pacific Peoples [PAR] Thor Heyerdahl is a world-renowned explorer and archaeologist.