British computer programmer Tim Berners-Lee introduced WorldWideWeb, the world's first web browser and WYSIWYG HTML editor.
Tim Berners-Lee
Sir Timothy John Berners-Lee, also known as TimBL, is an English computer scientist best known as the inventor of the World Wide Web, the HTML, the URL system, and HTTP. He is a professorial research fellow at the University of Oxford and a professor emeritus at the Massachusetts Institute of Technology (MIT).
WorldWideWeb
WorldWideWeb is the first web browser and web page editor. It was discontinued in 1994. It was the first WYSIWYG HTML editor.
Web browser
A web browser, often shortened to browser, is an application for accessing websites. When a user requests a web page from a particular website, the browser retrieves its files from a web server and then displays the page on the user's screen. Browsers can also display content stored locally on the user's device.