Pioneered by Ancient Greek physician Hippocrates, Humorists spent thousands of years believing people's personalities were affected by the amounts of black bile, yellow bile, blood and phlegm inside of them.

This mathematical array of binomial coefficients was actually created long before French mathematician Blaise Pascal popularized it in the Western world.

Heliocentrism, an astronomical theory which posits that the Earth and planets revolve around a stationary Sun and not the other way around, opened up a brave new world for science and the mankind.

The so-called King of the Gods' famed virility still remains a popular subject of study for many scholars of ancient Greek mythology to this day.

This drawing by Leonardo da Vinci is based on the ideal human male proportions described by the ancient Roman architect Vitruvius.