861Which explorer led an early 20th-century Antarctic expedition famous for the survival of his entire crew after their ship Endurance was crushed by ice?
862Which Portuguese prince is historically credited with sponsoring and encouraging the early Age of Exploration voyages along Africa’s coast?
863Which Scottish explorer is credited with being the first European to reach the source of the Blue Nile?
864Which British explorer is credited with identifying Lake Victoria as a principal source of the Nile River?
865Which chemist and physicist is credited with discovering the noble gas argon, later winning the Nobel Prize in Physics?
866Which Italian physicist invented the electric battery, giving his name to the unit of electrical potential?
867Which French chemist and biologist developed vaccines against rabies and anthrax and pioneered the process of pasteurization?
868Which German physician and microbiologist identified the bacteria responsible for tuberculosis and cholera?
869Which English physician is credited with pioneering the smallpox vaccine using cowpox material?
870Which English scientist is credited with discovering the circulation of blood pumped by the heart?
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