Neil Trudinger
An Australian mathematician who tamed the wild behavior of nonlinear equations, providing tools essential for understanding curved spaces.
Born 1942 (age 84)·Australian mathematician·Birthday: June 20·The Silent Generation
Biography
Neil Trudinger built a bridge between the abstract world of pure mathematics and the concrete needs of theoretical physics and geometry. Working in the demanding field of partial differential equations, he and his collaborators developed a sophisticated toolkit for dealing with nonlinear problems—equations where effects don't simply add up. His most famous contribution, the Trudinger inequality (or Moser-Trudinger inequality), is a cornerstone of analysis on curved surfaces, setting limits on how functions can behave. Based for decades at the Australian National University, he helped establish Canberra as a global center for analysis, training a cohort of mathematicians who spread his rigorous, geometric approach to PDEs worldwide.
The Silent Generation
1928–1945
Born between the Depression and the end of WWII. Too young to fight, old enough to remember. They became the conformist middle managers of the 1950s — and the civil rights leaders who quietly dismantled Jim Crow.
Neil was born in 1942, placing them squarely in The Silent Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
#1 When Neil Was Born
The biggest hits of 1942
#1 Movie
Bambi
Best Picture
Mrs. Miniver
Neil's Life & Times
The world at every milestone
1942Born
Battle of Midway turns the tide in the Pacific
Gas: $0.20/galHome: $3,175Min wage: $0.30/hrPresident: Franklin D. Roosevelt"White Christmas" — Bing CrosbyBest Picture: Mrs. Miniver
1947Started school
India gains independence; the Dead Sea Scrolls found
Gas: $0.23/galHome: $6,600Min wage: $0.40/hrPresident: Harry S. Truman"Near You" — Francis CraigBest Picture: Gentleman's Agreement
1955Became a teenager
Rosa Parks refuses to give up her bus seat
Gas: $0.29/galHome: $9,550Min wage: $0.75/hrPresident: Dwight D. Eisenhower"Rock Around the Clock" — Bill Haley & His CometsBest Picture: Marty
1958Could drive
NASA founded
Gas: $0.31/galHome: $11,050Min wage: $1.00/hrPresident: Dwight D. Eisenhower"Volare" — Domenico ModugnoBest Picture: Gigi
1960Could vote
Kennedy-Nixon debates become first televised presidential debates
Gas: $0.31/galHome: $11,900Min wage: $1.00/hrPresident: Dwight D. Eisenhower"Theme from A Summer Place" — Percy FaithBest Picture: The Apartment
1963Turned 21
JFK assassinated in Dallas; Martin Luther King's 'I Have a Dream' speech
Gas: $0.31/galHome: $13,100Min wage: $1.25/hrPresident: Lyndon B. Johnson"Sugar Shack" — Jimmy Gilmer & The FireballsBest Picture: Tom Jones
1972Turned 30
Watergate break-in; last Apollo Moon mission
Gas: $0.36/galHome: $19,550Min wage: $1.60/hrPresident: Richard Nixon"The First Time Ever I Saw Your Face" — Roberta FlackBest Picture: The Godfather
1982Turned 40
Michael Jackson releases Thriller
Gas: $1.22/galHome: $55,200Min wage: $3.35/hrPresident: Ronald Reagan"Physical" — Olivia Newton-JohnBest Picture: Gandhi
1992Turned 50
LA riots after Rodney King verdict
Gas: $1.13/galHome: $84,300Min wage: $4.25/hrPresident: George H.W. Bush"End of the Road" — Boyz II MenBest Picture: Unforgiven
2002Turned 60
Euro currency enters circulation
Gas: $1.36/galHome: $137,800Min wage: $5.15/hrPresident: George W. Bush"How You Remind Me" — NickelbackBest Picture: Chicago
2012Turned 70
Curiosity rover lands on Mars; Sandy Hook shooting
Gas: $3.64/galHome: $143,200Min wage: $7.25/hrPresident: Barack Obama"Somebody That I Used to Know" — GotyeBest Picture: Argo
2022Turned 80
Russia invades Ukraine; Queen Elizabeth II dies
Gas: $3.97/galHome: $348,700Min wage: $7.25/hrPresident: Joe Biden"As It Was" — Harry StylesBest Picture: Everything Everywhere All at Once
2026Age 84 today
Gas: $3.91/galPresident: Donald Trump
Key Achievements
- Co-established the Moser-Trudinger inequality, a critical result in the calculus of variations and geometric analysis.
- Authored the influential textbook 'Elliptic Partial Differential Equations of Second Order' with David Gilbarg.
- Served as Director of the Centre for Mathematics and its Applications at the Australian National University for many years.
- Received the Australian Mathematical Society Medal in 1980 for his outstanding research contributions.
Did You Know?
He is a keen sailor and has competed in numerous yacht races.
He was a student of the distinguished Australian mathematician James Serrin.
He served as President of the Australian Mathematical Society from 1994 to 1996.
“The equations of nature are not always polite; we must learn their rough language.”
