Astronomer · 1934 – 1996

Carl Sagan

If you're interested in Carl Sagan, these historical figures share a similar impact, discipline, philosophy, or era. Each recommendation explains why the connection exists.

Similar Impact & Significance

Portrait of Stephen Hawking

Stephen Hawking

87

Physicist · 1942 – 2018

Stephen Hawking was a British theoretical physicist and cosmologist whose work on black holes and the origins of the universe, carried out despite a paralysing motor-neurone disease, made him the most famous scientist of his age.

  • Hawking radiation
  • Black hole physics

Why A contemporary scientist who, like Sagan, brought cosmology to a vast popular audience through books.

Portrait of Galileo Galilei

Galileo Galilei

95

Astronomer · 1564 – 1642

Galileo Galilei was an Italian astronomer, physicist and engineer, the "father of modern science", whose telescopic discoveries and championing of heliocentrism transformed our understanding of the cosmos.

  • Telescopic astronomy
  • Defending heliocentrism

Why An astronomer in the tradition of cosmic exploration that Sagan celebrated and continued.

Portrait of Charles Darwin

Charles Darwin

96

Biologist · 1809 – 1882

Charles Darwin was an English naturalist whose theory of evolution by natural selection became the unifying foundation of modern biology and transformed humanity's understanding of life.

  • Theory of evolution
  • Natural selection

Why A scientist whose gift for explaining big ideas in writing Sagan shared and admired.

Portrait of Carl Linnaeus

Carl Linnaeus

81

Naturalist · 1707 – 1778

Carl Linnaeus was a Swedish naturalist whose book Systema Naturae established the modern system for naming and classifying living things, earning him the title "father of taxonomy" and making him one of the most influential scientific authors in history.

  • Binomial nomenclature
  • Systema Naturae

Why Also a scientist & writer · Comparable historical impact

Portrait of Francis Bacon

Francis Bacon

82

Philosopher · 1561 – 1626

Francis Bacon was an English philosopher, statesman and writer who served as Lord Chancellor and, in works such as the Novum Organum and his Essays, founded the modern scientific method of reasoning from evidence and experiment.

  • Scientific method
  • Novum Organum

Why Also a writer & scientist · Comparable historical impact

Same Field or Discipline

Portrait of Al-Khwarizmi

Al-Khwarizmi

89

Mathematician · 780 – 850

Al-Khwarizmi was a Persian mathematician and scholar of the Islamic Golden Age, the "father of algebra", whose name gave us the word "algorithm".

  • Founding algebra
  • The word 'algorithm'

Why Also a astronomer & scientist · Worked in astronomy

Portrait of Alexander von Humboldt

Alexander von Humboldt

81

Naturalist · 1769 – 1859

Alexander von Humboldt was a Prussian naturalist and explorer whose pioneering expeditions and best-selling books — including the vast Cosmos — founded modern geography and ecology and made him one of the most famous scientists and authors of his age.

  • Cosmos
  • Scientific exploration of the Americas

Why Also a writer & scientist · Active in the same era

Portrait of Benjamin Franklin

Benjamin Franklin

90

Inventor · 1706 – 1790

Benjamin Franklin was an American polymath — a founding father, scientist, inventor, writer and diplomat — whose work on electricity and statesmanship made him one of the most admired figures of the 18th century.

  • Founding Father
  • Experiments on electricity

Why Also a scientist & writer · From the same civilization

Portrait of Nicolaus Copernicus

Nicolaus Copernicus

93

Astronomer · 1473 – 1543

Nicolaus Copernicus was a Renaissance astronomer who formulated the heliocentric model placing the Sun, not the Earth, at the center of the universe — a revolution in human thought.

  • The heliocentric model
  • The Copernican Revolution

Why Also a astronomer & scientist · Worked in astronomy

Portrait of Edgar Allan Poe

Edgar Allan Poe

81

Writer · 1809 – 1849

Edgar Allan Poe was an American writer and poet, a master of the macabre, who invented the detective story, helped shape the modern short story and science fiction, and gave the world haunting tales and poems such as "The Raven".

  • The Raven
  • Detective fiction

Why Also a writer · Active in the same era

Portrait of Emily Dickinson

Emily Dickinson

80

Poet · 1830 – 1886

Emily Dickinson was an American poet who lived in near-seclusion and published almost nothing in her lifetime, yet whose nearly 1,800 original, compressed poems made her, after her death, one of the most important poets in the English language.

  • Nearly 1,800 poems
  • Reclusive life

Why Also a writer · Active in the same era

Portrait of Ernest Hemingway

Ernest Hemingway

82

Writer · 1899 – 1961

Ernest Hemingway was an American novelist and short-story writer whose spare, understated prose style revolutionized 20th-century fiction, winning the Nobel Prize in Literature for works such as The Old Man and the Sea.

  • The Old Man and the Sea
  • A Farewell to Arms

Why Also a writer · Active in the same era

Portrait of F. Scott Fitzgerald

F. Scott Fitzgerald

80

Novelist · 1896 – 1940

F. Scott Fitzgerald was an American novelist and short-story writer, the great chronicler of the Jazz Age, whose novel The Great Gatsby is often called the quintessential American novel.

  • The Great Gatsby
  • The Jazz Age

Why Also a writer · Active in the same era

Portrait of Frederick Douglass

Frederick Douglass

84

Abolitionist · 1818 – 1895

Frederick Douglass was an American abolitionist, orator and writer who escaped slavery to become the most powerful voice of the antislavery movement and one of the foremost advocates for equality and human rights in the 19th century.

  • Narrative of the Life of Frederick Douglass
  • Abolitionist oratory

Why Also a writer · Active in the same era

Portrait of Henry David Thoreau

Henry David Thoreau

80

Writer · 1817 – 1862

Henry David Thoreau was an American writer, naturalist and philosopher whose book Walden and essay "Civil Disobedience" became foundational texts of environmental thought and nonviolent resistance, influencing reformers around the world.

  • Walden
  • Civil Disobedience

Why Also a writer · Active in the same era

Portrait of Herman Melville

Herman Melville

80

Novelist · 1819 – 1891

Herman Melville was an American novelist and poet whose Moby-Dick, neglected in his lifetime, is now regarded as one of the greatest novels ever written and a towering achievement of American literature.

  • Moby-Dick
  • Billy Budd

Why Also a writer · Active in the same era

Portrait of Mark Twain

Mark Twain

84

Writer · 1835 – 1910

Mark Twain was an American writer and humorist, called the "father of American literature", whose novels The Adventures of Tom Sawyer and Adventures of Huckleberry Finn captured the voice of America and remain classics of world literature.

  • Adventures of Huckleberry Finn
  • The Adventures of Tom Sawyer

Why Also a writer · Active in the same era

Portrait of Maya Angelou

Maya Angelou

80

Writer · 1928 – 2014

Maya Angelou was an American writer, poet and civil rights activist whose autobiography I Know Why the Caged Bird Sings became a landmark of American literature, giving powerful voice to Black womanhood, trauma and resilience.

  • I Know Why the Caged Bird Sings
  • Still I Rise

Why Also a writer · Active in the same era

Portrait of Nathaniel Hawthorne

Nathaniel Hawthorne

78

Novelist · 1804 – 1864

Nathaniel Hawthorne was an American novelist and short-story writer whose dark, morally probing fiction — above all The Scarlet Letter — explored sin, guilt and hypocrisy in Puritan New England and helped found the American novel.

  • The Scarlet Letter
  • The House of the Seven Gables

Why Also a writer · Active in the same era

Portrait of Nikola Tesla

Nikola Tesla

90

Inventor · 1856 – 1943

Nikola Tesla was a Serbian-American inventor and electrical engineer whose pioneering work on alternating current and electromagnetism helped electrify the modern world.

  • Alternating current (AC)
  • The induction motor

Why Also a scientist · Active in the same era

Portrait of Theodore Roosevelt

Theodore Roosevelt

85

Statesman · 1858 – 1919

Theodore Roosevelt was the 26th President of the United States, a soldier, conservationist and reformer — and a remarkably prolific author who wrote around forty books on history, nature, politics and exploration alongside his public career.

  • 26th U.S. President
  • National parks and conservation

Why Also a writer · Active in the same era

Portrait of Thomas Jefferson

Thomas Jefferson

88

Statesman · 1743 – 1826

Thomas Jefferson was an American statesman, the principal author of the Declaration of Independence and third President of the United States, who was also a prolific writer, architect and scholar whose Notes on the State of Virginia was a landmark of early American letters.

  • Declaration of Independence
  • Third U.S. President

Why Also a writer · Active in the same era

Portrait of Toni Morrison

Toni Morrison

81

Novelist · 1931 – 2019

Toni Morrison was an American novelist whose richly poetic explorations of Black American life — above all Beloved — won her the Pulitzer Prize and made her the first African American woman to receive the Nobel Prize in Literature.

  • Beloved
  • Song of Solomon

Why Also a writer · Active in the same era

Portrait of Walt Whitman

Walt Whitman

81

Poet · 1819 – 1892

Walt Whitman was an American poet whose collection Leaves of Grass broke from traditional verse to celebrate democracy, the body and the self in sweeping free verse, making him a founding father of modern American poetry.

  • Leaves of Grass
  • Free verse

Why Also a writer · Active in the same era