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Tony Hoare was born in Colombo, Ceylon (now Sri Lanka) to British parents; his father was a colonial civil servant and his mother was the daughter of a tea planter. Hoare was educated in England at the Dragon School in Oxford and the King's School in Canterbury. [11] He then studied Classics and Philosophy ("Greats") at Merton College, Oxford. [12]
Prentice Hall International Series in Computer Science was a series of books on computer science published by Prentice Hall. [1] The series' founding editor was Tony Hoare. Richard Bird subsequently took over editing the series. [2] Many of the books in the series have been in the area of formal methods in particular.
Hoare logic (also known as Floyd–Hoare logic or Hoare rules) is a formal system with a set of logical rules for reasoning rigorously about the correctness of computer programs. It was proposed in 1969 by the British computer scientist and logician Tony Hoare , and subsequently refined by Hoare and other researchers. [ 1 ]
Hoare, C. A. R. Developed the formal language Communicating Sequential Processes (CSP), Hoare logic for verifying program correctness, and Quicksort; fundamental contributions to the definition and design of programming languages 1968 Holberton, Betty: Wrote the first mainframe sort merge on the Univac: 1889 Hollerith, Herman
In a 2009 talk, Tony Hoare traced the invention of the null pointer to his design of the ALGOL W language and called it a "mistake": I call it my billion-dollar mistake. It was the invention of the null reference in 1965. At that time, I was designing the first comprehensive type system for references in an object oriented language (ALGOL W).
In 2009, Tony Hoare stated [17] [18] that he invented the null reference in 1965 as part of the ALGOL W language. In that 2009 reference Hoare describes his invention as a "billion-dollar mistake": I call it my billion-dollar mistake. It was the invention of the null reference in 1965.
Quicksort is an efficient, general-purpose sorting algorithm.Quicksort was developed by British computer scientist Tony Hoare in 1959 [1] and published in 1961. [2] It is still a commonly used algorithm for sorting.
The computer scientist Bobby Hersom was an employee from 1953 to 1954, and Sir Tony Hoare was an employee there from August 1960 to 1968. He wrote an ALGOL 60 compiler for the Elliott 803 . He also worked on an operating system for the new Elliott 503 Mark II computer. [ 1 ]
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