Answer,
Aquinas Aristotle is the father of political science and Machiavelli is the father modern political science.
Explanation,
Aristotle was Philosopher from greek.He wrote so many subjects which include geology,poetry ,natural science and ethics.He known as the Father of politics because his work was entirely politics.Niccolo Machiavelli was the father of modern political science.He wrote a book named The Prince which was about modern political philosophy.He was a senior official in the Florentine republic.He believed it was better to be feared than loved becaused a feared ruler ruled by fear of punishment and a ruler who is loved rules by retaining authority by obligation.