Clifford Shull
His pioneering neutron scattering techniques opened a new window into the atomic structure of matter, revolutionizing materials science.
1915–2001 (age 86)·American physicist·Birthday: September 23·The Greatest Generation
Biography
Clifford Shull's quiet, determined work in a laboratory fundamentally changed how scientists see the world. While the neutron was discovered in 1932, it was Shull, working at the Oak Ridge National Laboratory and later MIT, who perfected its use as a probe. He demonstrated that neutrons, scattered by the nuclei of atoms, could reveal where atoms are and what they are doing. This wasn't just theory; it was a practical toolkit. His techniques allowed researchers to map atomic positions in crystals, see magnetic moments, and study materials from superconductors to polymers. For this foundational contribution, which underpins countless advances in physics, chemistry, and biology, he shared the 1994 Nobel Prize in Physics. Shull's legacy is embedded in every modern neutron scattering facility around the globe.
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.
Clifford was born in 1915, 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 Clifford Was Born
The biggest hits of 1915
#1 Movie
The Birth of a Nation
Clifford's Life & Times
The world at every milestone
1915Born
The Lusitania is sunk by a German U-boat
President: Woodrow Wilson
1920Started school
Women gain the right to vote in the US
Home: $3,395President: Woodrow Wilson"Swanee" — Al Jolson
1928Became a teenager
Alexander Fleming discovers penicillin; Mickey Mouse debuts
President: Calvin Coolidge"Ol' Man River" — Paul WhitemanBest Picture: Wings
1931Could drive
The Empire State Building opens as the world's tallest
Gas: $0.17/galPresident: Herbert Hoover"Minnie the Moocher" — Cab CallowayBest Picture: Cimarron
1933Could vote
FDR's New Deal launches; Prohibition ends
Gas: $0.18/galPresident: Franklin D. Roosevelt"Stormy Weather" — Ethel WatersBest Picture: Cavalcade
1936Turned 21
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
1945Turned 30
WWII ends; atomic bombs dropped on Hiroshima and Nagasaki
Gas: $0.21/galHome: $4,600Min wage: $0.40/hrPresident: Harry S. Truman"Sentimental Journey" — Les Brown & Doris DayBest Picture: The Lost Weekend
1955Turned 40
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
1965Turned 50
US sends combat troops to Vietnam
Gas: $0.31/galHome: $13,600Min wage: $1.25/hrPresident: Lyndon B. Johnson"(I Can't Get No) Satisfaction" — The Rolling StonesBest Picture: The Sound of Music
1975Turned 60
Fall of Saigon ends the Vietnam War
Gas: $0.57/galHome: $27,600Min wage: $2.10/hrPresident: Gerald Ford"Love Will Keep Us Together" — Captain & TennilleBest Picture: One Flew Over the Cuckoo's Nest
1985Turned 70
Live Aid concerts raise money for Ethiopian famine
Gas: $1.12/galHome: $62,900Min wage: $3.35/hrPresident: Ronald Reagan"Careless Whisper" — Wham!Best Picture: Out of Africa
1995Turned 80
Oklahoma City bombing; Windows 95 released
Gas: $1.15/galHome: $96,500Min wage: $4.25/hrPresident: Bill Clinton"Gangsta's Paradise" — CoolioBest Picture: Braveheart
2001Died at 86
September 11 attacks transform the world
Gas: $1.46/galHome: $126,400Min wage: $5.15/hrPresident: George W. Bush"Hanging by a Moment" — LifehouseBest Picture: A Beautiful Mind
Key Achievements
- Awarded the 1994 Nobel Prize in Physics for the development of neutron diffraction techniques.
- Pioneered the use of neutron scattering to determine the atomic structure of materials.
- His work provided the first direct evidence for the existence of antiferromagnetism.
- The neutron scattering facilities at Oak Ridge National Laboratory's High Flux Isotope Reactor were largely born from his early experiments.
Did You Know?
He shared the 1994 Nobel Prize with Canadian physicist Bertram Brockhouse, who pioneered a complementary technique called neutron spectroscopy.
His Nobel Prize came nearly 50 years after his most critical experimental work at Oak Ridge.
Before focusing on neutrons, he worked on radar countermeasures at the New York University during World War II.
“The neutron is a very gentle probe. It doesn't disturb what it's looking at very much.”
