Michael Phelps, Record-Breaking Swimmer

Michael Phelps is one of the most decorated athletes in Olympic history, with 28 total medals, 23 of which are gold. At the 2008 Beijing...

Charles Dickens, Notable English Novelist

Charles Dickens is best remembered for novels such as “Oliver Twist” and “David Copperfield.” For his dedication to social justice, most notably his humanizing...

Buster Keaton, Silent Film Star

One of the biggest stars of the silent film era, actor and director Buster Keaton revolutionized the art of physical comedy. From a childhood...

Cal Ripken, Jr., Baseball’s “Iron Man”

Cal Ripken, Jr. revolutionized the shortstop position while playing in a record 2,632 consecutive games, all for the Baltimore Orioles. His record-breaking 2,130th straight...

Andy Warhol, Father of “Pop Art”

Andy Warhol was nothing less than a character. His quirky art, astounding business sense and love of a good party made him one of...

Leonardo da Vinci, Painter, Scientist and Thinker

Leonardo da Vinci will forever be known for “The Last Supper” and “Mona Lisa.” But there was more to the man than his art....

Butch Cassidy, Wild West Outlaw

Butch Cassidy was a famed outlaw in the dying days of the Old West, leading the Hole-in-the-Wall Gang and the Wild Bunch in daring...

Dr. Spock, Pioneering Pediatrician

Pediatrician and psychoanalyst Dr. Benjamin Spock revolutionized modern child care when he encouraged parents to openly express affection and eschew physical discipline for their...

Stephen Jay Gould, Paleontologist and Science Writer

Renowned for both his revolutionary contributions to evolutionary biology and his ability to make science accessible to the public, Stephen Jay Gould drew upon...

Rosa Parks, Mother of the Civil Rights Movement

Rosa Parks was a seamstress and NAACP secretary whose simple act of civil disobedience—her refusal to give up her seat on the bus to...