NASA/Ames, RAND, SDC, SRI and UIU(C).
             In that same year, Larry Roberts created
             the first email management program. As a
             side note, Ray Tomlinson is the person
             who established the "@" sign as a
             domain/host designator from his Model 33
             Teletype. The first international connection
             to ARPANET is established when the
             University College of London is connected
             in 1973, and RFC-454 "File Transfer
             Protocol" was published. 1973 was also the
             year that Dr. Robert Metcalf's doctoral
             thesis outlined the specifications for
             Ethernet. The theory was tested on Xerox
             PARCs computers. 1974 saw the launch of
             TELNET public packet data service. UUCP
             (Unix-to-Unix Copy Protocol) was
             developed at AT&T Bell Labs in 1976, and
             ...