Who is the most powerful person of all time?

Mark Zuckerberg built and governs over his Facebook empire. As CEO, chairman and controlling shareholder of the world's most popular social media site, he wields a level of power unprecedented in human history.

This position names Genghis Khan the most powerful person in history. It argues he founded the largest contiguous empire ever, exercising absolute rule across Asia, and commanded one of the most formidable and feared militaries the world has ever seen.

This position names Emperor Ashoka the most powerful person in history. The third Maurya ruler, it argues he controlled the largest empire on the Indian subcontinent and a vast share of global GDP, helped spread Buddhism worldwide, and built an enduring legacy of influence.

Mayer Amschel Rothschild was a German banker and one of the founders of the modern financial system. His family played a central role in building the modern economical and political landscape.

This position names Mahatma Gandhi as the most powerful person of all time. It rests on a particular idea of power — the ability to influence minds — and argues that no one did this more effectively than Gandhi, who moved a nation without office or armies.

The President of the United States is the most powerful position on earth. The American people are responsible for filling that position and are therefore the most powerful kingmakers on earth.