This is where the Internet was born

This is the original location of the first ARPANET node at UCLA in Los Angeles.

The original lab, which for years had been used as a classroom, has been recreated as it was in 1969, and will soon reopen with a reunion of the original scientists involved in the first message. 

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UCLA's Interface Message Processor (IMP) (L) is pictured in a UCLA storage closet where it had been kept for over 20 years.

UCLA professor Leonard Kleinrock and his team used the IMP, the packet-switching node used to interconnect participant networks to the ARPANET, to send the first message, the letters LO to Stanford Research Institute on October 29, 1969. 

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Distinguished Professor of Computer Science at UCLA Leonard Kleinrock in the birthplace of the Internet, at 3420 Boelter Hall in UCLA.

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A teletype similar to the one used to communicate with the Sigma 7 computer, which was connected to UCLA's Interface Message Processor (IMP), in the birthplace of the Internet, at 3420 Boelter Hall, the original location of the first ARPANET node. 

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A blackboard with the letters LOG and LO, is pictured in 3420 Boelter Hall at UCLA.
 
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The original log book detailing UCLA professor Leonard Kleinrock and his team using the Interface Message Processor (IMP), at 3420 Boelter Hall in UCLA.

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A detailed view of UCLA's Interface Message Processor (IMP) is seen in a storage closet, where it had been stored for over 20 years, at 3420 Boelter Hall in UCLA. 

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A detailed view of UCLA's Interface Message Processor (IMP) is pictured in a storage closet, where it had been stored for over 20 years, at 3420 Boelter Hall in UCLA.

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A plaque placed by the Institute of Electrical and Electronics Engineers at the birthplace of the Internet, the original location of the first ARPANET node at 3420 Boelter Hall in UCLA. 

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UCLA's Interface Message Processor (IMP) in 3420 Boelter Hall.

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A label indicating that UCLA's Interface Message Processor (IMP) was the first unit produced.

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Professor Leonard Kleinrock, Distinguished Professor of Computer Science at UCLA next to UCLA's Interface Message Processor (IMP) in the birthplace of the Internet, at the 3420 Boelter Hall at UCLA.