Physicist & Electronic Engineer specialising in instrumentation and control systems. Worked for EMI Electron Tube Division (Avalanche photodidodes & applications) Central Research Labs (X ray detectors for CAT scanners, Silicon pressure transducers, low noise JFETs);GWB electronics (quadrupole mass spectrometers)Mason-Vactron Ltd. (Sandridge superglue cabinet, Quaser high-intensity light sources, GEM series Geiger counters); Electronic Services (Fingerprint lab equipment maintenance,Quaser upgrades)Specialties: Circuit, PCB & thermal design, high vacuum systems, Xenon arc lamp power supplies, general troubleshooting!Now 'retired' and not seeking employment, my main projects are:BrentPureEnergy.org.uk - a Solar Power Coop of which I am secretary. We have 50 kW of PV panels on Queens Park Community School NW6 7BQ and Malorees schools NW6 7PB. This Easter we install 300kW of PV panels on Capital City Academy NW10 3ST.Developing a Battery Management System for EV-support.co.uk based in Colchester. This is based on the LG Li-ion batteries using TI BQ76PL455 ICs.Classical guitar playing as a member of LauderdaleGuitarSociety.org which meets at the eponymous House on Highgate Hill, London, 2nd Wednesday in the month 8pm, guitarists and listeners welcome! Also am one half of Concordiaguitarduo.org.uk where some of our music can be heard.