The early internet pioneers—it takes a team!

3420 Boelter Hall as it looks today.

3420 Boelter Hall in the 1960s.

Leonard Kleinrock at the Interface Message Processor, or IMP, which was used to send the first message on the internet in 1969.

Items from Leonard Kleinrock’s archives include the “IMP LOG,” a scientific notebook that has a record of the first message sent on Oct. 29, 1969.

Kleinrock teaching a computer science class in 1970.

A UCLA press release, dated July 3, 1969, announcing that UCLA will be the first station on a nationwide network of computers.

The delivery of the SDS Sigma 7 computer to Boelter Hall at UCLA circa 1967. It was easier to cut open the wall and use a forklift to get it inside!

“Talked to SRI Host to Host;” Oct. 29, 1969 at 10:30 p.m. Note made by Charley Kline at UCLA after “LO” was successfully transmitted to Bill Duvall at SRI.

Leonard Kleinrock with former Los Angeles Mayor Tom Bradley