Many people contributed to the idea of a computer being a machine rather than an occupation, but the biggest leap forward came from Alan Turing.

Authors who spread the Protestant Reformation risked censorship, imprisonment, or even death, including Michael Servetus, who was burned alive along with most copies of his book.

In the late 1950s, white author John Howard Griffin disguised himself as a Black man to experience the state of race relations in the segregated South from the other side.

While Kosciuszko's family was part of Poland's upper 10%, this military leader's sympathies were for the disenfranchised.

Machu Picchu was built mere decades before the Spanish invasion of South America, yet almost no one knew about it until the ruins were discovered in 1911 by Hiram Bingham.

Return with us now to a time when bright and ambitious students studied vocabulary lists to enhance their erudition and learn about a man responsible for bringing many of these words into the English language.

There is a select group of people who have become prominent in history because of one brief moment in their lives. For abolitionist Congressman Charles Sumner, that moment was being assaulted with a cane by a furious Southern senator.

King Edward of England's brutal execution of William Wallace was meant to intimidate the Scots, but instead it inflamed them and a new leader arose: Robert the Bruce.

John Hay would serve every Republican administration from Abraham Lincoln to Teddy Roosevelt even though he was never elected to office himself.

There is a cliché that artists must struggle, but Frida Kahlo must hold the world record.