Memories of Jean-Raymond Abrial in Oxford, the Alps, and Paris, Bernard Sufrin
Memories of Jean-Raymond Abrial
in Oxford, the Alps, and Paris
Bernard Sufrin
Emeritus Fellow: Worcester College & Departement of Computer Science: Oxford University
FACS FACTS Issue 2026-1
January 2006
https://www.bcs.org/media/veppnllv/facs-jan26.pdf
The end :
"Au revoir
I wrote earlier of Jean-Raymond’s frighteningly fast work rate. And for the first few months of
1981 he worked even more quickly – generating large numbers of drafts of new foundations for
the language and its basic library, as well as building the prototype of an extensible proof checker,
and writing essays inspired by Cliff Jones’s book[6]. This work would (eventually) become the
basis for B and the B tool. The rest of the “Z group” found it impossible to keep up with him, and
wanted the notation to stay stable for a while. We had materials to prepare for courses and further
collaborations with industrial partners to pursue,10 and a large (5 year) Software Engineering
project to prepare for.
Then one Friday lunchtime, Hélène Villers appeared without Jean-Raymond at Brown’s restaurant
in Oxford to join Cliff and Jill Jones, Linda Forrest and me, and Jill Hoare for lunch. She brought
the upsetting news that Jean-Raymond had unilaterally decided that they would both leave Oxford
and return to Paris at the end of the following month.11 She didn’t know why, and despite us all
remaining good friends with them both for years afterwards none of us ever found out.
“Those who have the privilege of friendship with Jean-Raymond Abrial have long
been aware of the great work in which he has been engaged. It is no less than a
complete understanding of the nature of software engineering: . . . ”
(from C.A.R. Hoare’s prefatory tribute to Abrial in “The B-Book”
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