A German historian, frequently considered the founder of "scientific" history. Ranke set the tone for much of later historical writing, introducing such ideas as reliance on primary sources, an emphasis on narrative history and especially international politics and a commitment to writing history.

Leopold Ranke

A German historian, frequently considered the founder of "scientific" history. Ranke set the tone for…

Thucydides was a Greek historian and author of the History of the Peloponnesian War, which recounts the 5th century B.C. war between Sparta and Athens to the year 411 B.C. Thucydides has been dubbed the father of "scientific history" due to his strict standards of evidence-gathering and analysis in terms of cause and effect without reference to intervention by the gods, as outlined in his introduction to his work.

Profile Bust of Thucydides

Thucydides was a Greek historian and author of the History of the Peloponnesian War, which recounts…