Shackleton is famous for his expeditions in Antarctica, but he started his career as a Merchant Marine. Part one of this story covers his early life, early expeditions, and the treacherous start of his most famous expedition, just after WWI began.
Research:

Behind the Scenes Minis: Piece of Work
17:48

E. Virgil Neal: Hypnotist, Fraudster, Tycoon, Part 2
41:22

E. Virgil Neal: Hypnotist, Fraudster, Tycoon - Part 1
35:28