Andrew Viterbi
His elegant algorithm, born from decoding space signals, now powers everything from your cell phone to DNA sequencing.
Born 1935 (age 91)·Italian-American engineer and businessman·Birthday: March 9·The Silent Generation
Biography
Andrew Viterbi's life is a story of signal emerging from noise. Born in Italy in 1935, his Jewish family fled fascist persecution, eventually settling in the United States. This early brush with chaos forged a mind obsessed with finding order. As a young engineer at NASA's Jet Propulsion Laboratory, he tackled a seemingly intractable problem: how to clearly decode the faint digital signals from distant spacecraft. His solution, the Viterbi algorithm, was a stroke of mathematical beauty that efficiently sifted truth from cosmic static. He didn't stop at theory. With Irwin Jacobs, he co-founded Linkabit and later Qualcomm, transforming his abstract algorithm into the practical heart of modern digital wireless communication. His philanthropic legacy is equally concrete, with a landmark gift naming the USC Viterbi School of Engineering, ensuring future engineers chase clarity as he did.
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.
Andrew was born in 1935, 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 Andrew Was Born
The biggest hits of 1935
#1 Movie
Mutiny on the Bounty
Best Picture
Mutiny on the Bounty
Andrew's Life & Times
The world at every milestone
1935Born
Social Security Act signed into law
Gas: $0.19/galHome: $3,450President: Franklin D. Roosevelt"Cheek to Cheek" — Fred AstaireBest Picture: Mutiny on the Bounty
1940Started school
The Blitz: Germany bombs London
Gas: $0.18/galHome: $2,938Min wage: $0.30/hrPresident: Franklin D. Roosevelt"I'll Never Smile Again" — Tommy DorseyBest Picture: Rebecca
1948Became a teenager
Israel declares independence; Berlin Blockade begins
Gas: $0.26/galHome: $7,450Min wage: $0.40/hrPresident: Harry S. Truman"Twelfth Street Rag" — Pee Wee HuntBest Picture: Hamlet
1951Could drive
First color TV broadcast in the US
Gas: $0.27/galHome: $7,925Min wage: $0.75/hrPresident: Harry S. Truman"Too Young" — Nat King ColeBest Picture: An American in Paris
1953Could vote
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
1956Turned 21
Elvis Presley appears on The Ed Sullivan Show
Gas: $0.30/galHome: $10,050Min wage: $1.00/hrPresident: Dwight D. Eisenhower"Heartbreak Hotel" — Elvis PresleyBest Picture: Around the World in 80 Days
1965Turned 30
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 40
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 50
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 60
Oklahoma City bombing; Windows 95 released
Gas: $1.15/galHome: $96,500Min wage: $4.25/hrPresident: Bill Clinton"Gangsta's Paradise" — CoolioBest Picture: Braveheart
2005Turned 70
Hurricane Katrina devastates New Orleans; YouTube launches
Gas: $2.30/galHome: $167,500Min wage: $5.15/hrPresident: George W. Bush"We Belong Together" — Mariah CareyBest Picture: Crash
2015Turned 80
Paris climate agreement; same-sex marriage legalized in the US
Gas: $2.43/galHome: $171,900Min wage: $7.25/hrPresident: Barack Obama"Uptown Funk" — Mark Ronson ft. Bruno MarsBest Picture: Spotlight
2026Age 91 today
Gas: $3.91/galPresident: Donald Trump
Key Achievements
- Invented the Viterbi algorithm, a cornerstone of error-correcting codes used in cellular phones, satellite communications, and speech recognition.
- Co-founded Qualcomm Inc., a company that became a global leader in wireless telecommunications technology.
- Made a transformative $52 million gift leading to the renaming of the University of Southern California's engineering school in his honor.
- Held the Presidential Chair Professor of Electrical Engineering position at USC, guiding the next generation of innovators.
Did You Know?
The Viterbi algorithm is so fundamental it is used in computational biology for gene sequencing.
He and his family escaped Europe by obtaining false visas to travel to the United States.
He initially wanted to be a lawyer but switched to engineering after reading a biography of Marconi.
“The Viterbi algorithm is a dynamic programming algorithm for finding the most likely sequence of hidden states.”
