The correct answer is Ray Tomlinson.
Ray Tomlinson was an American computer programmer who invented the first email program in 1971. He also developed the first network protocol for email, which allowed users to send messages to each other on different computers. Tomlinson sent the first email to himself in 1971, using the program he had developed. The email was simply a test message, but it marked the beginning of email as we know it today.
Tim Berners Lee is a British computer scientist who invented the World Wide Web in 1989. He did not invent email.
Larry Page and Sergey Brin are American computer scientists who co-founded Google in 1998. They did not invent email.
James Gosling is a Finnish-American computer scientist who invented the Java programming language in 1995. He did not invent email.