File:Ethernet-metcalfe.gif

``The diagram ... was drawn by Dr. Robert M. Metcalfe in 1976 to present Ethernet ... to the National Computer Conference in June of that year. On the drawing are the original terms for describing Ethernet. Since then other terms have come into usage among Ethernet enthusiasts.'' The Ethernet Sourcebook, ed. Robyn E. Shotwell (New York: North-Holland, 1985), title page.

[http://www.acm.org/classics/apr96/ Robert M. Metcalfe and David R. Boggs. ``Ethernet: Distributed Packet Switching for Local Computer Networks],'' Association for Computing Machinery, Vol19/No 5, July 1976.]