- Ralph-Johan Back
Ralph-Johan Back is a Finnish
computer scientist .Back originated the
Refinement Calculus , an important approach to the formal development of programs using stepwiserefinement , in his 1978PhD thesis at theUniversity of Helsinki , "On the Correctness of Refinement Steps in Program Development". He has undertaken much subsequent research in this area. He has held positions atCWI Amsterdam , theAcademy of Finland and theUniversity of Tampere .Since 1983 he has been Professor of Computer Science at the
Åbo Akademi University inTurku . For 2002–2007 he is an Academy Professor at theAcademy of Finland . He is Director of CREST (Center for Reliable Software Technology) at Åbo Akademi.His wife, Barbro Back, is Professor of Information Systems, also at
Åbo Akademi University , and he has three children.External links
* [http://www.abo.fi/~backrj/ Home page]
* [http://www.abo.fi/~backrj/index.php?page=Curriculum%20vitae.html&menu=4 Curriculum Vitae]
* [http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/b/Back:Ralph=Johan.html DBLP bibliography]
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