George Edward Challenger was a Scottish scientist and explorer, who was well-known for his exploration of Maple White Land, an Amazonian plateau full of prehistoric species, in 1912. He served as a consultant for Mina Murray and the second incarnation of her team.
Challenger was also a childhood friend of the zoologist and adventurer John Dolittle.
- The New Traveller's Almanac (mentioned)
- The League of Extraordinary Gentlemen, Volume III: Century - 1910 (mentioned)