He was generally regarded as a heretic, but what was worse, he did not feel particularly bad about it. Indeed, he claimed to be a scientist and was merely trying to figure out how things worked. This ...

He was a friend of the first great democratic leaders, a colleague and mentor to philosophers, one of history’s first real scientists, a condemned heretic and a schoolmaster. Yet today is he is all ...

Anaxagoras, who lived in the fifth century B.C., was one of the first people in recorded history to recognize that the moon was a rocky, mountainous body. Eduard Lebiedzki / Public Domain Close to the ...