FACS FACTS Issue 2025-2 July 2025 In memory of Jean-Raymond Abrial (1938–2025)
https://www.bcs.org/media/yd4ocehl/facs-jul25.pdf
FACS FACTS Issue 2025-2 July 2025
In memory of Jean-Raymond Abrial (1938–2025)
Henri Habrias
University of Nantes
France
Jonathan P. Bowen
London South Bank University
United Kingdom
A note on Jean-Raymond Abrial
by Jonathan Bowen
We have the sad news to report that Jean-Raymond Abrial passed away on 26 May 2025. Jean-Raymond was the progenitor and inspiration for not just one, but two major formal methods, namely the Z notation and the B-Method. He was a modest and independent researcher, admirably spanning theory and practice. He deserves much greater appreciation of his achievement than he has perhaps received during his lifetme. As a small tribute, I have updated Jean-Raymond’s Wikipedia page and created a new page [7] for his 1996 magnum opus, The B-Book [1], after realising that I reviewed the book in 1997 [3]. We include an appreciation and biographical summary of Jean-Raymond’s achievements below.
For the future, we intend to have a longer set of memories about Jean-Raymond by his colleagues in the next issue of FACS FACTS, along the lines of the celebratory set of contributions for Tony Hoare’s 90th birthday in 2024 [5]. Please contact the FACS FACTS editors if you would like to contribute.
An appreciation of Jean-Raymond Abrial
by Henri Habrias
Jean-Raymond Abrial died on 26 May 2025, the day before a conference held as part of the Journées Scientifiques at the University of Nantes, which focused on his work and its implementation in various fields.
J-R. Abrial was born in Versailles, France, in 1938. After studying at the Prytanée Militaire ....
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