Chat with Len Noonan
Co-Founder of Telesis
About Len Noonan
In the late 1970s, while most labs treated packet-switched networks as academic curiosities, Len Noonan led the Telesis team that built ARPANET’s first real-time collaborative editing environment, running over leased T1 lines between MIT, Stanford, and Bell Labs. Unlike contemporaries focused on file transfer or email, he insisted networks should enable *shared cognition*: synchronized whiteboarding, versioned document co-authoring, and latency-aware cursor tracking, features that wouldn’t reappear in mainstream tools for thirty years. His 1983 ‘Networked Workspaces’ manifesto argued that bandwidth wasn’t the bottleneck, it was interface design that failed to mirror how engineers actually think together. That philosophy shaped Telesis’ hardware-software stack: custom NICs with embedded timing chips, deterministic scheduling kernels, and a novel multicast protocol optimized for small-group consensus rather than broadcast efficiency. He never patented the core protocols, believing interoperability required open reference implementations, not licensing.
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Not sure where to begin? Try asking Len Noonan:
- “How did your team solve real-time cursor synchronization over 1980s T1 lines?”
- “What made you prioritize shared whiteboarding over email in the early ARPANET?”
- “Why did Telesis avoid patenting your multicast consensus protocol?”
- “What interface flaws did you observe in 1980s collaborative tools that still persist today?”