Isaac Newton was born in Woolsthorpe, England, amid the turmoil of civil war and the Scientific Revolution. A solitary and intensely focused student, he entered Cambridge University and later weathered the plague years by developing the foundations of calculus and conducting experiments on light. His genius combined mathematical abstraction with a conviction that nature's laws could be read through observation and measurement.

In 1687 he published Philosophiæ Naturalis Principia Mathematica, presenting three laws of motion and the law of universal gravitation. The Principia showed that the same force governing an apple's fall also governs the Moon's orbit, unifying terrestrial and celestial mechanics. Newton's work on optics demonstrated that white light comprises a spectrum of colors, challenging prevailing theories.

Knighted and appointed Master of the Mint, Newton also pursued alchemy and theology—fields that reveal the breadth of his inquiries. Though later physicists revised his framework, especially at extreme speeds and scales, Newtonian mechanics became the bedrock of engineering, astronomy, and Enlightenment thought, earning him a place among history's most influential minds.

1. 1643

   Born in Woolsthorpe

   Born prematurely in Lincolnshire; his father died before his birth.

2. 1665–1666

   Annus Mirabilis

   During plague closures, advanced calculus, optics, and gravitation ideas.

3. 1687

   Principia Published

   Released Mathematical Principles of Natural Philosophy, reshaping science.

4. 1704

   Opticks

   Published major work on light, color, and experimental method.

5. 1727

   Death in London

   Buried in Westminster Abbey as a national hero of the Enlightenment.