Tim Berners-Lee is a British computer scientist best known for inventing the World Wide Web. In 1989, he proposed a system that would allow information to be shared over the internet, leading to the creation of web pages and hyperlinks, which revolutionized how we access and share information. As the director of the World Wide Web Consortium (W3C), Berners-Lee continues to advocate for web standards and open access to information. His work has had a profound impact on modern communication, making him a key figure in the development of the internet as we know it today.