28 historically significant individuals born on August 9. August 9 is the birth date of several notable figures from various areas. These include developmental psychologist Jean Piaget, who was born in 1896, author P. L. Travers, born in 1899, and Finnish writer and illustrator Tove Jansson, born in 1914. Tennis champion Rod Laver and former Ukrainian president Leonid Kuchma, both born in 1938, also share this birth date. In total, 13 notable individuals were born on August 9.
Total Born
28
Countries
20
Top Century
20th· 14
Top Field
politician
4 individuals
Headline Figures
scientist
William A. Fowler
1911 – 1995Nobel laureate: Nobel Prize in Physics (1983)
scientist
Jean Tirole
1953 – PresentNobel laureate: Nobel Prize in Economic Sciences (2014)
author
Tove Jansson
1914 – 2001Finnish author and illustrator who created the beloved Moomin characters and stories, which became internationally famous children's literature. She was also an accomplished painter and wrote novels for adults.
Birth Distribution by Century
20th (14)
19th (7)
13th C.20th C.
20th Century
14Figure
Lifespan
Notes
Origin
William A. Fowler
scientist
Nobel laureate: Nobel Prize in Physics (1983)
Jean Tirole
scientist
Nobel laureate: Nobel Prize in Economic Sciences (2014)
Tove Jansson
authorcaricaturist
Finnish author and illustrator who created the beloved Moomin characters and stories, which became internationally famous children's literature. She was also an accomplished painter and wrote novels for adults.
Juanes
composerguitarist
Colombian rock musician who has won 26 Latin Grammy Awards and is known for hits like 'Me Enamora' and 'A Dios le Pido.'
Eric Bana
film actorfilm director
Actor known for his roles in major films including 'Hulk', 'Troy', and 'Munich', as well as his early career in Australian comedy.
Romano Prodi
businesspersoneconomist
Italian economist and politician who served two terms as Prime Minister and was President of the European Commission from 1999 to 2004.
Li Jiawei
table tennis player
Chinese-born table tennis player who became a Singaporean citizen and won the country's first Olympic medal in 48 years with a team silver in 2008. She was ranked among the world's top players and played a key role in Singapore's table tennis success.
Rod Laver
tennis player
Australian tennis legend who won 11 Grand Slam singles titles and is considered one of the greatest players of all time, with Wimbledon's Centre Court named in his honor.
Leon Bailey
association football player
Jamaican footballer who plays as a winger for Aston Villa in the Premier League. He represented Jamaica internationally after switching from England's youth teams.
Waldemar Esteves da Cunha
King Momoshowman
King Momo in Brazil
Leonid Kuchma
engineerpolitician
Ukraine's second president who served from 1994 to 2005 and oversaw the country's transition from Soviet rule to independence.
Ravshan Irmatov
association football playerassociation football referee
Internationally renowned FIFA football referee who officiated at multiple World Cups and major tournaments between 2003-2019. He is considered one of the most respected referees in world football.
John Key
economistpolitician
New Zealand politician and former investment banker who served as Prime Minister from 2008 to 2016, leading the country through economic recovery following the global financial crisis.
Maria Guleghina
opera singer
Internationally acclaimed soprano who performed leading roles at major opera houses including La Scala, Metropolitan Opera, and Royal Opera House.
19th Century
7Figure
Lifespan
Notes
Origin
P. L. Travers
children's writerjournalist
Australian-British author who created the beloved character Mary Poppins in a series of children's books that inspired the famous Disney film adaptation.
Edward J. Robeson, Jr.
civil engineerpolitician
American politician (1890-1966)
Ioan Mire Melik
engineermathematician
Romanian mathematician
Jean Piaget
biologistlogician
Developmental psychologist who created the theory of cognitive development, identifying four stages of intellectual growth in children.
Bernard Cracroft Aston
botanical collectorbotanist
New Zealand agricultural chemist, botanist and photographer (1871–1951)
Jaan Raamot
agricultural scientistpolitician
Estonian politician (1873-1927)
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William Henry Fitchett
historianjournalist
Australian educator, journalist and writer (1841–1928)
18th Century
4Figure
Lifespan
Notes
Origin
Francesco Cetti
mathematicianornithologist
Italian scientist
Clas Alströmer
agronomistbotanist
Swedish botanist (1736-1794)
Francisco do Monte Alverne
friarphilosopher
Writer (1784-1858)
Lőrinc Orczy
military officerpoet
Hungarian soldier, poet, politician (1718–1789)
17th Century
1Figure
Lifespan
Notes
Origin
Gilles de Roberval
mathematicianphysicist
French mathematician (*1602 – †1675)
16th Century
1Figure
Lifespan
Notes
Origin
Izaak Walton
biographerwriter
English author and biographer (1593-1683)
13th Century
1Figure
Lifespan
Notes
Origin
KP
Kyawswa of Pagan
monarch
King of Pagan
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Frequently Asked Questions
Who is the most famous person born on August 9?
Jean Piaget, the Swiss psychologist known for his work in child development and cognitive psychology, was born on August 9, 1896. His theories on children's intellectual development have influenced educational practices worldwide.
Which famous children's book authors were born on August 9?
Two children's authors share this birthday: P. L. Travers, known for creating Mary Poppins, was born in 1899. Tove Jansson, the Finnish author and illustrator of the Moomin series, was born in 1914.
Are there any famous athletes born on August 9?
Yes, Rod Laver, the Australian tennis player with 11 Grand Slam singles titles and the only player to achieve the Grand Slam twice, was born on August 9, 1938. The main court at the Australian Open is named after him.