The internet got its start with the ARPANET which was stands for Advanced Research Projects Agency Network (ARPANET) and it was an early packet switching network and the first network to have the protocol suite TCP/IP. Which  became the technical foundation of the Internet. So many people contributed to to the ARPANET like Douglas Engelbart and Vinton Cerf. 

To find out more click on the link below to see the history of the ARPANET and Internet.   

                   Timeline of ARPANET