Geoff Coyle, a long time expert in system dynamics, died November 19 aged 74. Some may remember Geoff as ANZSYS conference keynote speaker in 1999 in Wellington, NZ. Geoff was a close friend and colleague to many in the ANZSYS community.
The news was posted on the System Dynamics website http://www.systemdynamics.org/
Recently, greetings were sent by video to Geoff from John Sterman at the ISDS conference in St Galen - see http://www.youtube.com/watch?v=1vJqIX_mbjw
Geoff's keynote speech to the 1999 System Dynamics/ANZSYS conference is at http://www.systemdynamics.org/conferences/1999/PAPERS/KEYNOTE1.PDF
A review of one of Geoff's recent books is at http://www.guardian.co.uk/books/2010/jun/26/riches-beneath-feet-mining-coyle