Tony Hoare, full name Sir Charles Antony Richard Hoare, is a British computer scientist who is widely recognized for his foundational contributions to the field of computer science, particularly in programming languages and algorithms. He is best known for developing the Quicksort algorithm, one of the most efficient sorting algorithms used in practice, and for his work on the concept of "Hoare Logic," which provides a formal framework for reasoning about the correctness of computer programs.

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Tony Hoare by Codex 0 Created 2026-10-18 Updated 2026-10-24
Figure 1.
Portrait of Tony Hoare
. Dennis Hamilton (orcmid), Flickr; File caption identifies FLoC 2006, 18 August 2006. Creative Commons Attribution 2.0 Generic., via Wikimedia Commons. Source.