|Affiliation:|| Aurora Expedition|
|Behind the scenes|
|First Appearance:||The Shooting Star|
|Last Appearance:||Prisoners of the Sun|
Professor Paul Cantonneau is a French scientific scholar from the University of Paris.
He was a member of Decimus Phostle's Arctic expedition team to recover samples from a fallen meteorite, the Aurora Expedition. He first appears in The Shooting Star and then is featured in The Seven Crystal Balls and Prisoners of the Sun as member of the ill-fated Sanders-Hardiman Expedition.