Engraving of a bust of Lucretius.

Lucretius

(c. 95 BC - c. 50 BC)

Isidore of Seville

(c. 560 - 636)

Photograph of Rachel Carson

Rachel Carson

(1907 - 1964)

French theologian John Calvin.

John Calvin

(1509 - 1564)

Tété-Michel Kpomassie

Katharine Viner

Al-Masudi

(c. 893 - c. 956)

Barry Lopez

(1945 - 2020)

John Arbuthnot

(1667 - 1735)

Profile of a bearded man wearing a turban

Ibn Khaldun

(1332 - 1406)

Photograph of English novelist Charles Dickens.

Charles Dickens

(1812 - 1870)

Welsh clergyman and historian Gerald of Wales.

Gerald of Wales

(c. 1146 - c. 1223)

Masanobu Fukuoka

(1913 - 2008)

Black and white photograph of historian and man of letters Henry Adams.

Henry Adams

(1838 - 1918)

Engraving of William Shakespeare from the first folio edition.

William Shakespeare

(1564 - 1616)

Gabriel García Márquez

(1927 - 2014)

Photograph of President Abraham Lincoln sitting in a chair.

Abraham Lincoln

(1809 - 1865)

Joseph Stalin

(c. 1878 - 1953)

Amitav Ghosh

Photograph of Greta Thunberg by Anders Hellberg (CC BY 4.0)

Greta Thunberg

Historian and novelist Philipp Blom.

Philipp Blom

American diplomat, scholar, and conservationist George Perkins Marsh.

George Perkins Marsh

(1801 - 1882)

Robin Wall Kimmerer

Photo of stone Aristotle statue face

Aristotle

(384 BC - 322 BC)

Lewis Lapham at his desk

Lewis H. Lapham

(1935 - 2024)

Svante Arrhenius

(1859 - 1927)

Robinson Jeffers

(1887 - 1962)

Octavia E. Butler

(1947 - 2006)

Italian artist, engineer, and scientist Leonardo da Vinci.

Leonardo da Vinci

(1452 - 1519)

John McPhee

David Wallace-Wells

Emperor Wen

(203 BC - 157 BC)

Portrait of Chinese fiction writer Pu Songling.

Pu Songling

(1640 - 1715)

Loren Eiseley

(1907 - 1977)

Thomas Meaney

Ken Saro-Wiwa

(1941 - 1995)

Yuval Noah Harari

Eleanor Perényi

(1918 - 2009)

Susan Fenimore Cooper

Susan Fenimore Cooper

(1813 - 1894)

J.G. Farrell

(1935 - 1979)

Depiction of Greek philosopher Plato.

Plato

(c. 427 BC - c. 347 BC)

Yi Kyubo

(1168 - 1241)

British author Aldous Huxley.

Aldous Huxley

(1894 - 1963)

Kalidasa

(c. 600 - c. 650)

Eugène Huzar

(1820 - 1890)

Russell Means

(1939 - 2012)

Kate Luckie

(1843 - 1937)

James Inhofe

Tripadvisor

Charles Fort

(1874 - 1932)

Don Marquis

(1878 - 1937)

Photograph of Astra Taylor by Isabella De Maddalena

Astra Taylor

Bessie Head

(1937 - 1986)

Saint Agobard

(c. 770 - 840)

Steve Milloy

Bruno Latour

(1947 - 2022)

Ptolemy

(c. 100 - c. 170)

William Stanley Jevons

(1835 - 1882)

Caroline Henderson

(1877 - 1966)

Portrait of French political philosopher Montesquieu.

Montesquieu

(1689 - 1755)

Enheduanna

(c. 2285 BC - 2250 BC)

John Evelyn

(1620 - 1706)

He Zhu

(c. 1066 - c. 1100)

Photograph of German-English novelist W.G. Sebald.

W.G. Sebald

(1944 - 2001)

Portrait of third president of the United States Thomas Jefferson.

Thomas Jefferson

(1743 - 1826)

Black and white photograph of a young H.G. Wells with a mustache.

H.G. Wells

(1866 - 1946)

Carl Sagan

(1934 - 1996)

R. Buckminster Fuller

(1895 - 1983)

Depiction of German abbess and mystic St. Hildegard.

Hildegard of Bingen

(1098 - 1179)

John Burroughs

(1837 - 1921)

Illustration of a man in fancy dress

Cassiodorus

(c. 490 - c. 585)

Seated man with a large white beard wearing a dark suit

Karl Marx

(1818 - 1883)

Abby Jane Morrell

Abby Jane Morrell

(1809 - c. 1855)

Tsitsi Dangarembga

Timothy Morton

Watsuji Tetsuro

(1889 - 1960)

Fernand Braudel

(1902 - 1985)

Varlam Shalamov

(1907 - 1982)

American author and journalist Alan Weisman.

Alan Weisman

Kyle Harper

Kyle Harper

Black and white engraving of Roman poet Ovid in profile.

Ovid

(43 BC - c. 17)

Black and white photograph of a young Mark Twain with dark hair.

Mark Twain

(1835 - 1910)