Robert Metcalfe, American engineer and entrepreneur

Robert "Bob" Melancton Metcalfe is an American engineer and entrepreneur who contributed to the development of the internet in the 1970s. He co-invented Ethernet, co-founded 3Com, and formulated Metcalfe's law, which describes the effect of a telecommunications network. Metcalfe has also made several predictions which failed to come to pass, including forecasting the demise of the internet during the 1990s.

April 7 is the 97th day of the year in the Gregorian calendar; 268 days remain until the end of the year.