Multiple choice Which of these scientists lived earliest? Isaac Newton Nicolas Copernicus Galileo Galilei Johannes Keppler Reveal answer Fill a bubble to check yourself B Correct answer Explanation Nicolaus Copernicus lived from 1473 to 1543, which is earlier than the other scientists listed. Johannes Kepler (1571-1630), Galileo Galilei (1564-1642), and Isaac Newton (1643-1727) all lived and worked in later periods.