Robert Koch: The Doctor Who Found the Tiny Germs Behind Diseases

Samuel de Champlain: The Mapmaker Who Founded Quebec

Maria Sibylla Merian: The Artist Who Traced the Life of a Caterpillar

Dian Fossey: The Scientist Who Lived With Mountain Gorillas

Beatrix Potter: The Author Who Gave Us Peter Rabbit

Nelson Mandela: From Prison Cell to President

Mehmed the Conqueror: The Sultan Who Took Constantinople

Wangari Maathai: The Woman Who Planted Millions of Trees

Prince Henry the Navigator: The Prince Who Sent Ships Into the Unknown

Rachel Carson: The Writer Who Gave Nature a Voice

Katherine Johnson: The Mathematician Who Helped Astronauts Reach Space

Hildegard of Bingen: The Nun Who Wrote Music and Medicine

Louis Daguerre: The Man Who Captured the First Photographs

Leonhard Euler: The Mathematician Who Kept Working Even When Blind

Srinivasa Ramanujan: The Boy Who Saw Numbers Everywhere

Ibn Sina: The Doctor Whose Book Taught Medicine for Centuries

Emperor Ashoka: From Mighty Conqueror to Peaceful King

Suleiman the Magnificent: The Sultan Who Gave Laws

Mansa Musa: The Richest King Who Ever Lived

Zheng He: The Admiral of the Giant Treasure Fleet

Balboa: The Explorer Who First Saw the Pacific Ocean From the Americas

Boudicca: The Warrior Queen Who Stood Up to Rome

Sir Francis Drake: The Daring Sea Captain Who Sailed Around the World

The Great Pyramid of Giza: How Ancient Egyptians Built a Wonder

Hernán Cortés: The Explorer Who Met the Aztec Empire

Louis XIV: The Sun King Who Built the Palace of Versailles

Marie Antoinette: The Young Queen of France Before the Revolution

Aesop: The Storyteller Behind The Tortoise and the Hare

The History of Chess: How a Game from India Conquered the World

Geronimo: The Apache Leader Who Defended His Homeland

Crazy Horse: The Lakota Leader Who Never Gave Up

Justinian and Theodora: The Power Couple Who Built the Hagia Sophia

William Wallace: The Scottish Hero Who Beat an English Army at Stirling Bridge

Constantine the Great: The Roman Emperor Who Built Constantinople

Winston Churchill: The Bulldog Who Led Britain Through World War Two

Theodore Roosevelt: The Adventurous President Who Protected Nature

Antonio Vivaldi: The Red Priest Who Wrote The Four Seasons

John Glenn: The First American to Orbit the Earth

Robert the Bruce: The Scottish King Who Won Independence at Bannockburn

Richard the Lionheart: The Crusader King of England

Thor Heyerdahl and the Kon-Tiki: A Raft Across the Pacific Ocean

Stephen Hawking: The Scientist Who Explored Black Holes

Siddhartha Gautama: The Prince Who Became the Buddha

Apollo 8: The First Humans to Fly Around the Moon

Miguel de Cervantes: The Author of Don Quixote

Venice: The Amazing City Built on Water

Miguel Hidalgo: The Priest Who Started Mexico's Fight for Independence

Alessandro Volta: The Inventor of the First Battery

Alexander Fleming: The Scientist Who Discovered Penicillin

Edward Jenner: The Doctor Who Invented the First Vaccine

Toussaint Louverture: The Leader Who Helped Free Haiti

Chief Joseph: The Nez Perce Leader Who Led a Thousand-Mile Journey

Queen Liliuokalani: The Last Queen of Hawaii

Fibonacci: The Math Whiz Who Brought Numbers to Europe

Tecumseh: The Shawnee Leader Who Tried to Unite Many Nations

Antonie van Leeuwenhoek: The Man Who Discovered a World of Tiny Life

Gregor Mendel: The Monk Who Grew Peas and Discovered Heredity

Benjamin Banneker: The Self-Taught Astronomer Who Helped Plan Washington

Pericles: The Leader Who Built the Parthenon

Mahatma Gandhi: The Leader Who Changed India Without Violence