b'PeopleNewsVale: John Henry Coggon (1944-2021)in mineral engineering and a BSc inappointments at the WA School of Mines mathematics at the University of Otagoin Kalgoorlie from Lecturer to Senior graduating in 1966. He then went on toLecturer and Adjunct Professor.study with the geophysical engineering group at Berkeley California graduatingJohn partially retired in 2013, moving in 1971 with an MSc and DEng inwith Wendy to their dream retirement geophysical engineering. John was partlocation near Denmark on the south of a small group of students supervisedcoast of WA, where he designed the by Dr Stan Ward who pioneered thehouse they built using heritage materials use of numerical methods to model thecollected over many years. Wendy passed electrical and electromagnetic responsesaway in January 2018.of two-dimensional earth models.His quiet unassuming demeanour During his time in the US he met Wendybelied an intelligent, thoughtful and Farley and they were subsequentlyanalytical approach that characterised married in New Zealand in 1972. his professional work. Johns deep John Coggan understanding of potential field and It is with sadness that we record theJohn returned to the University of Otagoelectrical/electromagnetic theory and death of John Henry Coggon on 7 Augustwhere he was lecturer in exploration andpractice informed his daily work. Few 2021 in Perth after a short period ofsolid earth geophysics until 1976 whenwere aware of the original insights and illness. He is survived by four childrenhe was hired by Roy Woodall at Westerntechniques that underpinned his drill Tula, Hunter, Peter and John togetherMining Corporation (WMC) to improve thetargets. He published original work in with eight grandchildren. effectiveness of geophysical explorationgravity and magnetics, drill hole EM, for nickel sulphide mineralisation,deep IP, EM and magnetic interpretation. John will be remembered as a gentleparticularly electrical and electromagneticHe consulted on projects in 11 countries man and a gentleman with a deepmethods in the Western Australianfor many commodities and companies.knowledge of geology and geophysicsArchean. Johns role was expanded from who always had time to lucidly explainsenior geophysicist to senior supervisingJohn was an active member of Rotary, the opaque world of geophysicalscientist reflecting the depth and breadthhosting several exchange students over interpretation to those who needed toof his contribution to the company. the years. He enjoyed restoring old look below the earths surface. houses and furniture, bushwalking and He left WMC in 1982, wanting to remaintravelling.He was born in Aldershot in the UK andin Kalgoorlie, and began a private moved with his family through Singaporeconsulting practice which he formalisedDon Pridmore and Greg Hall and Malaysia before they settled inas Mines Geophysical Services in 1991.d.pridmore@hiseis.com New Zealand. He obtained a BE (Hons)From 1977 to 2010 John held variousgreghall06@hotmail.com Free subscription to Preview online Non-members of the ASEG can now subscribe to Preview online via the ASEG website. Subscription is free. Just go to https://www.aseg.org.au/publications/PVCurrent to sign up. You will receive an email alert as soon a new issue of Preview becomes available. Stay informed and keep up-to-date by subscribing now!!NB: ASEG Members dont need to subscribe as they automatically receive an email alert whenever a new issue of Preview is published.OCTOBER 2021 PREVIEW 14'