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Let's #TalkConcurrency Panel Discussion with Sir Tony Hoare, Joe Armstrong, and Carl Hewitt

Erlang Solutions · talk · Watch on YouTube

Distributed systemsFunctional programmingComputability & complexity theory

What it is

A panel with Tony Hoare, Joe Armstrong and Carl Hewitt, hosted by Francesco Cesarini, on the history and future of concurrency. The three creators of CSP, Erlang and the actor model discuss their differing approaches.

Why Hacker News recommends it

HN recommends it for getting the inventors of major concurrency models together, disagreements included.

  • 3 people recommended it
  • 3 different months
  • 1 strong recommendations
  • first 2019, last 2026

What HN commenters said

  1. “One of my favorite videos on youtube.”

    Inventors of Erlang, actors and CSP discuss concurrency together.

    coolKid721, 2025-04 · Strong recommendation · in “Erlang's not about lightweight processes and message passing (2023)”

  2. “it gave me a lot of food for thought.”

    Panel of Armstrong, Hewitt and Hoare that gave much food for thought.

    apoorvgarg, 2019-04 · Recommendation · in “Joe Armstrong has died”

  3. “It was interesting hearing them discuss their different thoughts and approaches”

    Hoare, Armstrong and Hewitt discuss their differing approaches to concurrency.

    lokelow, 2026-03 · Recommendation · in “Turing Award winner and former Oxford professor Tony Hoare passed away”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: actor model, csp, erlang, tony hoare, joe armstrong, carl hewitt

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