Who invented email?

The correct answer is Ray Tomlinson. In 1971, Ray Tomlinson, a computer engineer working on ARPANET, invented email as we know it today. He sent the very first networked email between two computers sitting side by side and chose the \"@\" symbol to separate the user\'s name from the host computer\'s address—a convention that remains universal to this day.

Tomlinson\'s Contribution

• First Networked Email: Prior to Tomlinson, users could only send messages to others on the same machine (like a mailbox). Tomlinson created a program that allowed messages to be transferred across different computers on the ARPANET, the precursor to the internet.
• The @ Symbol: He selected the @ sign because it was rarely used and clearly indicated that the recipient was \"at\" a specific host, solving the addressing problem for distributed networks.
• Content of the First Email: The first message was simply a test string like \"QWERTYUIOP\"—he later famously joked that it was completely forgettable.

Why Other Options Are Incorrect

• Vint Cerf (Option 2): He is one of the \"Fathers of the Internet\" for co‑designing the TCP/IP protocols, but he did not invent email.
• Tim Berners‑Lee (Option 3): He invented the World Wide Web (HTML, HTTP, URLs) in 1989—a decade after email was already in use—so he is not associated with email creation.
• Steve Jobs (Option 4): He co‑founded Apple Inc. and pioneered personal computing and smartphones, but had no role in inventing electronic messaging.

Hence, Ray Tomlinson is universally credited as the inventor of modern email, making Option 1 the only correct choice.