18 April

Across recorded history, 1,559 notable lives are recorded as having ended on 18 April. Below are the 24 most widely documented — ranked by how many language editions of Wikipedia carry an article about them.

← April 17 April 19 →

Albert Einstein

1879–1955

German-born theoretical physicist

Albert Einstein was a theoretical physicist who developed the theory of relativity.

Thor Heyerdahl

1914–2002

Norwegian anthropologist and adventurer

Thor Heyerdahl was an anthropologist and adventurer who organized expeditions to demonstrate the possibility of ancient transoceanic contact between distant human populations.

Justus von Liebig

1803–1873

German chemist

Justus von Liebig was a German chemist who made major contributions to agricultural and biological chemistry.

Isoroku Yamamoto

1884–1943

Japanese Marshal Admiral

Isoroku Yamamoto was a Japanese admiral who served as the commander-in-chief of the Combined Fleet during the Second World War.

Marcel Pagnol

1895–1974

novelist, playwright and filmmaker from France

Marcel Pagnol was a French writer who worked as a novelist, playwright, and filmmaker.

Benny Hill

1924–1992

British comedian and actor

Benny Hill was a British comedian known for his long-running television program.

William R. King

1786–1853

vice president of the United States from March to April 1853

William R. King was a politician who served as the vice president of the United States.

Erasmus Darwin

1731–1802

English physician

Erasmus Darwin was an English physician who contributed to the development of early evolutionary thought through his extensive writings on natural philosophy and botany.

Gustave Moreau

1826–1898

19th century French Symbolist painter

Gustave Moreau was a French Symbolist painter known for his mythological and religious works.

Maurice Gamelin

1872–1958

French military officer

Maurice Gamelin was a French military commander who served as the commander-in-chief of the French armed forces during the early stages of World War II.

Edgar F. Codd

1923–2003

English computer scientist

Edgar F. Codd was a computer scientist who developed the relational model for database management.

Leonard Bloomfield

1887–1949

American linguist

Leonard Bloomfield was an American linguist who made significant contributions to the development of structural linguistics.

Ottorino Respighi

1879–1936

Italian composer, musicologist and conductor

Ottorino Respighi was an Italian composer known for his work as a musicologist and conductor.

John Ambrose Fleming

1849–1945

English electrical engineer and physicist

John Ambrose Fleming was an electrical engineer and physicist who invented the thermionic valve.

Arturo Frondizi

1908–1995

President of Argentina

Arturo Frondizi was a politician who served as the President of Argentina.

Ben Hecht

1894–1964

American writer, director, and producer

Ben Hecht was an American screenwriter who authored numerous plays, novels, and films throughout his career.

Storm Thorgerson

1944–2013

English graphic designer

Storm Thorgerson was an English graphic designer known for creating iconic album cover art for various musical artists.

Betty Compson

1897–1974

American actress

Betty Compson was an American actress who performed as a film actor, film producer, stage actor, Ziegfeld girl, and violinist.

Dick Clark

1929–2012

American radio and television personality

Dick Clark was an American television personality who hosted numerous programs and produced various media content throughout his career.

Masahiko Kimura

1917–1993

Japanese judoka and professional wrestler

Masahiko Kimura was a judoka and professional wrestler recognized for his contributions to the development of competitive grappling techniques.

Omer Lutfi Pasha

1806–1871

Ottoman general and governor of Serb origin

Omer Lutfi Pasha was an Ottoman general and governor of Serb origin.

Kamisese Mara

1920–2004

President of Fiji

Kamisese Mara was a politician who served as the President of Fiji.

Juan Valera

1824–1905

Spanish writer and diplomat

Juan Valera was a Spanish writer and diplomat who served in various international posts throughout his career.

Irving Cummings

1888–1959

actor, film director

Irving Cummings was a film director and actor who worked in the American motion picture industry.

Source: Wikidata, released into the public domain under CC0. Snapshot: 2026-07. Names, dates and roles come from Wikidata; summaries are condensed from it. Nothing here is generated to fill a gap.