Ray Tomlinson, credited as the creator of email, has died. He was 74. Ray Tomlinson was an American computer programmer who implemented the first email system on the ARPANET system, the precursor to the Internet, in 1971.
Previously, mail could be sent only to others who used the same computer. To achieve this, he used the @ sign to separate the user name from the name of their machine, a scheme which has been used in email addresses ever since.