Catalan inventor Narcís Monturiol fought for ideals like equality, freedom, and progress in the midst of a lot of social and political chaos in 19th-century upheavals in Spain and Catalonia. And then, he built submarines.
Research:

SYMHC Classics: Nelson Pill Hearings
38:25

Behind the Scenes Minis: Alaska and Contraceptives
28:17

The IUD: A History
44:41