Two of the people most often credited with the invention of the Internet and WWW respectively are .
Douglas Engelbart and Tim Berners-Lee
Vint Cerf and Tim Berners-Lee
Alan Emtage and J. Peter Deutsch
Marc Andressen and James Clark

Vint Cerf and Tim Berners-Lee

Explanation:

The Internet refers to the interconnection of countless numbers of computer using certain defined protocols which allows communication among the connected networks. These protocols known as Transmission Control Protocol and the Internet Protocol (TCP/IP) were developed by Vint Cerf.

The World Wide Web is a system containing documents using a protocol known as Hypertext Transfer Protocol (HTTP) to facilitate the sharing of information, allowing users to access information over the internet. These documents are also translated into a Markup language known as Hypertex Markup Language (HTML) for connected computers to understand.

Both HTTP and HTML were developed by Tim Berners-Lee.