A Backus-Naur form is a formal notation for context-free grammars in computing, often used to describe the syntax of different computing languages.

Peter Naur was born on 1928-10-25.

Gitte Naur was born on April 19, 1960, in Denmark.

<stmt>::=<typespecifier><space><identifier>

<typespecifier>::=int|uint|char|byte|short|double|float

<space>::=" "

<identifier>::=<character>+

<character>::= <digit>|letter|_

<digit>::= 0|1|2|3|4|5|6|7|8|9

<letter>::=a|b|c...|z|A|B|C.....|Z

Elias E. Naur has written:

'Golgotha paa Parnasso'