.. _mmref-acknowledgements: Acknowledgements ================ The Memory Management Reference is maintained by `Ravenbrook Limited`_. .. _Ravenbrook Limited: http://ravenbrook.com/ Most of it was originally written by memory management experts in the Adaptive Memory Management Group at `Harlequin Limited `_: * Nick Barnes * Richard Brooksby * David Jones * David Lovemore * Tony Mann * Gavin Matthews * Pekka P. Pirinen * Richard Tucker * P. T. Withington Gavin Matthews was the original editor of the Memory Management Reference. The Adaptive Memory Management Group no longer exists, and Harlequin has become a part of `Global Graphics `_. However, most of the group's work has been aquired by `Ravenbrook Limited`, whose directors are Richard Brooksby, the group's chief architect and manager, and Nick Barnes, a senior group member. Particular thanks go to Richard Jones for his enormously useful book :ref:`The Garbage Collection Handbook `, and for his comments on the Reference. Many people have :ref:`made valuable suggestions ` for the Reference and contributed glossary entries. We are grateful for the help of: * Judy Anderson * Giuseppe Attardi * Daniel Barrett * Leah Bateman * Stephen Bevan * Hans Boehm * Hans Feldt * Lars Hansen * Anthony Hosking * Paul Jackson * Mark S. Johnstone * Richard Kistruck * Stavros Macrakis * Gareth McCaughan * David A. Moon * Eliot Moss * John S. Pieper * Kent Pitman * Andrew Shires * Walter Spector * Martin Simmons * David Stoutamire * Tom Thomson * Mark Tillotson * JonL White * David S. Wise * Benjamin Zorn