Meriwether Lewis, Western Explorer

Along with William Clark, Meriwether Lewis led the first expedition through the territory of the Louisiana Purchase, revealing the landscape and nature of the...

Jean Piaget, Developmental Psychologist

Swiss psychologist Jean Piaget was the first to realize that the cognitive processes of children differ from those of adults. Over his 75-year career...

Stevie Wonder, Musician, Producer and Activist

Stevie Wonder, the Motown sensation, chart topper, producer and humanitarian, has been in the spotlight for four decades. Early Days Stevland Hardaway Judkins was born prematurely...

Sam Walton, Founder of Walmart

For good or for ill, Walmart founder Sam Walton changed the retail landscape of America with his chain of discount stores. Sam Walton's Early Days Samuel...

Lincoln Steffens, One of the First Muckrakers

Lincoln Steffens was an American journalist active during the early 20th century. A famous muckraker, Steffens is remembered for pioneering a style of critical,...

Hans Christian Andersen, Poet and Author of Fairy Tales

Fairy tales may seem to have existed since the beginning of storytelling, but Hans Christian Andersen is the acknowledged father of the modern form....

Jacques Cousteau, Deep Sea Pioneer

Jacques Cousteau is known for developing the aqualung, the one-man submarine and an underwater village off Sudan. While a measure of controversy surrounds his...

Francis Scott Key, Author of “The Star-Spangled Banner”

Francis Scott Key was a Federalist, a lawyer, attorney general of Washington, D.C., a husband and the father of 11 children. An ancestor and...

Brian Wilson, Co-founder of the Beach Boys

From the living room of his parents’ house to the world stage, Brian Wilson worked to establish the classic California surf sound with his...

Claude Monet, Leader of the Impressionist School of Painting

French painter Claude Monet was the central figure of the Impressionist movement in the late 19th century, producing colorful, vibrant studies of natural and...