Charles Francis Hall was inspired by expeditions like Sir John Franklin’s push to find the Northwest Passage, but he repeated the pattern of doom when he made a try for the North Pole – though he was the only one from his expedition to die.
Research:

The Life and Afterlife of Casimir Pulaski
45:10

SYMHC Classics: Redpath Murders
32:44

Behind the Scenes Minis: Piece of Work
17:48