On March 5, 2016 (January 27, 2016 in the lunar calendar), Raymond Tomlinson, founder of Modern Email, passed away. Raymond Tomlinson, founder of Modern Email, passed away on March 5, 2016, and the company Raytheon, where he worked, confirmed his death on Sunday. Raymond invented the "person-to-person" form of email in 1971 and chose the "@" symbol to define the corresponding recipient user's mailbox, so he is regarded as the father of modern email. His invention changed the lives of hundreds of millions of people. Today, hundreds of millions of people use email, and the "@" symbol has been widely quoted in other fields, such as social media.