Portrait of Isaac Newton

Isaac Newton portrayed in 1689. Godfrey Kneller. Public domain or freely licensed; see source record.

Historical person · Early Modern

Isaac Newton

1643–1727

Mathematician and natural philosopher whose work reshaped physics and astronomy.

Explore Science and TechnologyRead biography ↓

Your next chapter starts here

Take history with you.

Create a free account or log in to download this guide as a PDF. Reading on the website is always free.

Create free account
Quick answers

What to know about Isaac Newton

Direct answers to common questions about Isaac Newton, followed by the full sourced biography.

Who was Isaac Newton?

Mathematician and natural philosopher whose work reshaped physics and astronomy. Newton developed calculus, investigated optics and formulated laws of motion and universal gravitation. The Principia of 1687 joined mathematical reasoning to celestial and terrestrial motion. He also studied alchemy and theology and later directed the Royal Mint, complicating the image of an isolated modern.

What is Isaac Newton known for?

Isaac Newton is particularly known for Mathematician and natural philosopher whose work reshaped physics and astronomy., Science and Technology.

When did Isaac Newton live?

Isaac Newton lived 1643–1727. This profile places that life within Early Modern and Science and Technology.

Why is Isaac Newton historically significant?

Isaac Newton's career belongs within Science and Technology. Scientific work is collaborative and institutional even when credit gathers around a famous individual. Funding, instruments, technicians and the social uses of knowledge belong inside the biography. The central subjects here are the events behind this summary: Mathematician and natural philosopher whose work reshaped physics.

Biography

Isaac Newton: life and legacy

Overview

Newton developed calculus, investigated optics and formulated laws of motion and universal gravitation. The Principia of 1687 joined mathematical reasoning to celestial and terrestrial motion. He also studied alchemy and theology and later directed the Royal Mint, complicating the image of an isolated modern scientist.

Life and career

Newton developed calculus, investigated optics and formulated laws of motion and universal gravitation. The Principia of 1687 joined mathematical reasoning to celestial and terrestrial motion. He also studied alchemy and theology and later directed the Royal Mint, complicating the image of an isolated modern scientist.

Key events

1643: Born. Isaac Newton was born in 1643. Early Modern: Historical career. Mathematician and natural philosopher whose work reshaped physics and astronomy.

1727: Died. Isaac Newton died in 1727.

Historical context

Isaac Newton's career belongs within Science and Technology. Scientific work is collaborative and institutional even when credit gathers around a famous individual. Funding, instruments, technicians and the social uses of knowledge belong inside the biography. The central subjects here are the events behind this summary: Mathematician and natural philosopher whose work reshaped physics and astronomy.

Key moments

Timeline

  1. Born

    Isaac Newton was born in 1643.

  2. Historical career

    Mathematician and natural philosopher whose work reshaped physics and astronomy.

  3. Died

    Isaac Newton died in 1727.

Connections

Related people

Keep reading

Related stories

Test your knowledge

Related quizzes

Evidence

Sources and further reading

  1. Isaac Newton reference searchEncyclopaedia Britannica
  2. Science and Technology research guidesThe National Archives
  3. Biographical records and portraitsNational Portrait Gallery
  4. Historical people and primary sourcesLibrary of Congress
  5. Historical figuresEncyclopaedia Britannica

Biographical claims are summarised from the sources above. Interpretation and disputed reputations are identified in the text rather than presented as settled fact.