Input (grade 10): Sir Charles Antony Richard Hoare (born 11 January 1934), commonly known as Tony Hoare or C.A.R. Hoare, is a British computer scientist, probably best known for the development in 1960, at age 26, of Quicksort, one of the world's most widely used sorting algorithms.
Output (grade 5): Sir Charles Antony Richard Hoare (Tony Hoare or C.A.R. Hoare, born January 11, 1934) is an English computer scientist. He is probably best known for the development of Quicksort.