Key Figures
Discover the latest trends in Key Figures.
Roentgen: The Man Who Made the Invisible Visible
Discover Wilhelm Conrad Roentgen, the physicist whose accidental discovery of X-rays in 1895 revolutionized medicine and science forever.
John D. Rockefeller: Gilded Age Titan
Explore the life of John D. Rockefeller, the industrialist who founded Standard Oil, became a titan of the Gilded Age, and a leading philanthropist.
Robespierre: Architect of the Reign of Terror
Explore Maximilien Robespierre, the controversial French Revolution leader whose quest for a virtuous republic led to the infamous Reign of Terror.
Grigori Rasputin: Russia's Mad Monk
The story of Grigori Rasputin, the Siberian mystic whose influence over the Russian royal family helped pave the way for revolution.
Queen Tomiris: The Warrior Who Humbled an Empire
Discover the story of Tomiris, the fierce warrior queen who defended her people and famously defeated Persia's legendary king, Cyrus the Great.
Pyrrhus of Epirus: The King's Costly Victory
Discover Pyrrhus of Epirus, the Greek king whose costly battles against Rome coined the term "Pyrrhic victory," a win that comes at too great a cost.
Ptolemy I: The General Who Became Pharaoh
Discover Ptolemy I Soter, the Macedonian general who succeeded Alexander the Great to found a 300-year dynasty and a legendary center of learning in Egypt.
Ptolemy: The Astronomer Who Mapped the Universe
Discover Claudius Ptolemy, the ancient astronomer and geographer whose geocentric model of the universe shaped science for over 1,400 years.
Pompey the Great: Rome's Lost Hero
Discover Gnaeus Pompeius Magnus, the formidable Roman general whose ambition and rivalry with Julius Caesar defined the final days of the Roman Republic.
Who Was Pliny the Elder?
An introduction to Pliny the Elder, the Roman author and naturalist whose encyclopedic work shaped science for centuries and who died at Vesuvius.