The Canadian Encyclopedia — neutral, cited, updated
September 11, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
HomeTechnology & InternetComputer ScienceGilles Brassard
Technology & Internet • Computer Science

Gilles Brassard

Gilles Brassard is a Canadian computer scientist known for foundational work in quantum information science, especially quantum cryptography and quantum teleportation.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated September 11, 2026|2 min read| Fact-checked

Gilles Brassard is a Canadian computer scientist known for foundational work in quantum information science, especially quantum cryptography and quantum teleportation. He has been a professor at the Université de Montréal since 1979 and has held the Canada Research Chair in Quantum Information Science since 2001. In 2025, he shared the ACM Turing Award with Charles H. Bennett for work in quantum information science.

Early life and education

Gilles Brassard was born in Montreal in 1955. He studied at the Université de Montréal and later earned a PhD in theoretical computer science from Cornell University in 1979.

Academic career

Brassard joined the Université de Montréal as a faculty member after completing his doctorate and became a full professor in 1988. He has held the Canada Research Chair in Quantum Information Science since 2001.

Research contributions

Brassard’s work helped establish quantum cryptography as a field and contributed to quantum teleportation, entanglement distillation, pseudo-telepathy, and quantum key distribution. Sources also credit him with broader foundational contributions to quantum information science.

Honours and recognition

Brassard has received major scientific honours, including the Wolf Prize in Physics and the ACM Turing Award. He has also been elected a Fellow of the Royal Society and an International Member of the U.S. National Academy of Sciences.

Key facts

  • Brassard is widely recognized as one of the founders of quantum information science.
  • He helped develop quantum cryptography, including the BB84 protocol with Charles H. Bennett.
  • He is also known for work on quantum teleportation and related topics in quantum theory and computation.
  • He has been a faculty member at the Université de Montréal since 1979 and a full professor since 1988.
  • His honours include the Wolf Prize in Physics and the 2025 Turing Award.
🍁
Canadian context

Brassard is one of Canada’s most prominent computer scientists and is widely described as a founder of quantum information science in Canada. His work has helped make the Université de Montréal and Canada major centres for quantum research.[10][12][15]

Frequently asked questions

Who is Gilles Brassard?
Gilles Brassard is a Canadian computer scientist known for foundational work in quantum cryptography, quantum teleportation, and quantum information science.
What is Gilles Brassard best known for?
He is best known for helping found quantum cryptography and for his contributions to quantum teleportation and related quantum-information research.
Where did Gilles Brassard study?
He studied at the Université de Montréal and earned a PhD in theoretical computer science from Cornell University in 1979.
What is Gilles Brassard’s connection to the Université de Montréal?
He has been a faculty member there since 1979, became a full professor in 1988, and has held the Canada Research Chair in Quantum Information Science since 2001.
What major awards has he received?
Among his honours are the Wolf Prize in Physics and the 2025 ACM Turing Award, which he shared with Charles H. Bennett.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Gilles_Brassard
    Supports: Birth date, Canadian nationality, Université de Montréal career details, and 2025 Turing Award.
  2. Encyclopaedia Britannicahttps://www.britannica.com/biography/Gilles-Brassard
    Supports: Birthplace, nationality, and general significance in quantum cryptography and teleportation.
  3. National Academy of Scienceshttps://www.nasonline.org/directory-entry/gilles-brassard-fczsyo/
    Supports: Education, academic career, quantum information science contributions, and honours.
  4. Université de Montréalhttps://recherche.umontreal.ca/english/our-researchers/professors-directory/researcher/is/in13606/
    Supports: PhD, faculty appointment, Canada Research Chair, and research contributions.
  5. NSERChttps://nserc-crsng.canada.ca/en/profile/gilles-brassard
    Supports: Role as a founder/pioneer of quantum information science in Canada and major research contributions.
  6. Wolf Foundationhttps://www.wolffund.org.il/gilles-brassard/
    Supports: Wolf Prize citation and summary of founding and advancing quantum cryptography and quantum teleportation.
  7. Governor General of Canadahttps://www.gg.ca/en/honours/recipients/146-11738
    Supports: Canadian honours and description of his contributions to computer science and quantum information processing.