Cathleen Synge Morawetz
A pioneering mathematician who untangled the complex equations of transonic flight, becoming the first woman to lead a major U.S. mathematics institute.
1923–2017 (age 94)·Canadian mathematician·Birthday: May 5·The Greatest Generation
Biography
Cathleen Synge Morawetz carved a path through the male-dominated world of mid-20th century mathematics with sheer intellectual force. The daughter of renowned mathematician John Synge, she initially resisted following in his footsteps but found her calling in applied mathematics, particularly the thorny partial differential equations that describe how fluids and shock waves behave. Her groundbreaking work on transonic flow—where an object moves near the speed of sound—had direct implications for aircraft design, helping engineers understand the dangerous drag rise at that critical threshold. At New York University's Courant Institute, she rose from researcher to director, steering one of the world's premier applied math centers. Her presidency of the American Mathematical Society and her National Medal of Science were not just personal accolades but milestones for women in the mathematical sciences.
The Greatest Generation
1901–1927
Grew up during the Depression, fought World War II, and built the postwar economic boom. Defined by shared sacrifice, institutional trust, and a belief that hard work and loyalty would be rewarded.
Cathleen was born in 1923, placing them squarely in The Greatest 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 Cathleen Was Born
The biggest hits of 1923
#1 Movie
The Covered Wagon
Cathleen's Life & Times
The world at every milestone
1923Born
The Great Kanto earthquake devastates Tokyo
President: Calvin Coolidge"Yes! We Have No Bananas" — Billy Jones
1928Started school
Alexander Fleming discovers penicillin; Mickey Mouse debuts
President: Calvin Coolidge"Ol' Man River" — Paul WhitemanBest Picture: Wings
1936Became a teenager
Jesse Owens wins four golds at the Berlin Olympics
Gas: $0.19/galPresident: Franklin D. Roosevelt"The Way You Look Tonight" — Fred AstaireBest Picture: The Great Ziegfeld
1939Could drive
World War II begins; The Wizard of Oz premieres
Gas: $0.19/galMin wage: $0.30/hrPresident: Franklin D. Roosevelt"Over the Rainbow" — Judy GarlandBest Picture: Gone with the Wind
1941Could vote
Pearl Harbor attack brings the US into WWII
Gas: $0.19/galHome: $3,060Min wage: $0.30/hrPresident: Franklin D. Roosevelt"Chattanooga Choo Choo" — Glenn MillerBest Picture: How Green Was My Valley
1944Turned 21
D-Day: Allied forces land at Normandy
Gas: $0.21/galHome: $3,400Min wage: $0.30/hrPresident: Franklin D. Roosevelt"Swinging on a Star" — Bing CrosbyBest Picture: Going My Way
1953Turned 30
DNA structure discovered by Watson and Crick
Gas: $0.27/galHome: $8,750Min wage: $0.75/hrPresident: Dwight D. Eisenhower"Song from Moulin Rouge" — Percy FaithBest Picture: From Here to Eternity
1963Turned 40
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
1973Turned 50
US withdraws from Vietnam; Roe v. Wade decided
Gas: $0.39/galHome: $22,100Min wage: $1.60/hrPresident: Richard Nixon"Tie a Yellow Ribbon Round the Ole Oak Tree" — Tony Orlando & DawnBest Picture: The Sting
1983Turned 60
Internet adopts TCP/IP, creating the modern internet
Gas: $1.16/galHome: $57,700Min wage: $3.35/hrPresident: Ronald Reagan"Every Breath You Take" — The PoliceBest Picture: Terms of Endearment
1993Turned 70
European Union officially established
Gas: $1.11/galHome: $86,600Min wage: $4.25/hrPresident: Bill Clinton"I Will Always Love You" — Whitney HoustonBest Picture: Schindler's List
2003Turned 80
US invades Iraq; Human Genome Project completed
Gas: $1.59/galHome: $146,000Min wage: $5.15/hrPresident: George W. Bush"In Da Club" — 50 CentBest Picture: The Lord of the Rings: The Return of the King
2017Died at 94
#MeToo movement; solar eclipse crosses the US
Gas: $2.42/galHome: $195,000Min wage: $7.25/hrPresident: Donald Trump"Shape of You" — Ed SheeranBest Picture: The Shape of Water
Key Achievements
- Served as Director of the Courant Institute of Mathematical Sciences at New York University from 1984 to 1988, the first woman to hold the position.
- Awarded the National Medal of Science in 1998 for her contributions to mathematical theory and fluid dynamics.
- Served as President of the American Mathematical Society from 1995 to 1996.
- Made fundamental contributions to the theory of transonic flow and the scattering of waves, with work published in her influential 1981 monograph 'Lectures on Nonlinear Waves and Shocks'.
Did You Know?
Her father, John L. Synge, was an Irish mathematician known for his work in relativity and geometry.
She initially studied engineering at the University of Toronto because she wanted a more practical career than pure mathematics.
She was a member of both the National Academy of Sciences and the American Academy of Arts and Sciences.
The Cathleen Synge Morawetz Lecture is an annual event at the Courant Institute named in her honor.
“I think I was very lucky to be in the right place at the right time, and to have the right father.”
