Martin Luther King Jr., Civil Rights Pioneer

Born into a life of religion, Martin Luther King Jr. used his faith to help guide a divided nation toward racial equality, breaking barriers...

Jane Addams, Social Settlement Worker

Jane Addams was a pioneer in the field of social work and co-founder of the Hull House, a settlement house for lower class immigrants...

Niccolò Machiavelli, Author of “The Prince”

Niccolò Machiavelli lived through one of the most tumultuous periods in Italian history. An early alliance with the wrong faction suspended his political career;...

Jimi Hendrix, Rock Guitarist, Singer and Songwriter

Jimi Hendrix revolutionized rock during the late 1960s with his songwriting, guitar playing and outrageous stage moves. Although he died young, his music and...

Charles Darwin, Developer of the Theory of Natural Selection

Charles Darwin was never a great student—but he was an avid collector of beetles. After graduating from college, the budding naturalist accepted a position...

Amartya Sen, Nobel-Winning Economist

Economist and philosopher Amartya Sen has been called the “Mother Teresa of economics” for helping improve the lives on the poor through his work...

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...

Lillian Moller Gilbreth, Engineer and Psychologist

Lillian Moller Gilbreth fought the social conventions of her time to become one of the first PhD-holding female engineers. She was also a psychologist...

Maya Angelou, Author, Actor and Activist

Poet, author, playwright, educator, civil rights activist, singer, actress: these were the many faces of Maya Angelou. A living testament to the strength of...

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...