[multicians] Peter Neumann has died

Dan Cross via TUHS
tuhs at tuhs.org

Mon May 18 03:58:33 AEST 2026

Tom van Vleck just passed the below forwarded message on the Multics
mailing list. Very sad news.

        - Dan C.

---------- Forwarded message ---------
From: Tom Van Vleck via groups.io multicians.org at groups.io>
Date: Sun, May 17, 2026, 1:27 PM
Subject: [multicians] Peter Neumann has died
To: <multicians at groups.io>


Robert Watson wrote me

Unfortunately, I email with the heartbreaking news that Peter Neumann
passed away in his sleep last night, at the hospital in Santa Clara, due to
complications arising from his fall and subsequent surgery a few weeks ago.
His daughter Hellie was with him at the hospital at the time, and they had
been listening to classical music together — as you may know, music was
another of his great loves in life beyond computer security, with Peter an
accomplished player of the piano, French horn, and various other
instruments. Hellie has asked me to reach out to his friends and colleagues
with this news — it’s still early in the morning in California and I will
send on more information in due course, but it is currently believed that
SRI will host a memorial service for him in Menlo Park in a month or so.

https://www.csl.sri.com/~neumann/ is Peter's SRI home page.

He was a wonderful friend and colleague.

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