1960s - Cambridge/ISC; 1978 - Global Seismology Unit, Institute of Geological Sciences, Edinburgh, EH9 3LA part of the British Geological Survey; developed the Willmore seismometer; Manual of Seismological Observatory Practice (Willmore 1960; Willmore 1979; Willmore & Connell 1963) became standards in the UK and used in many institutions and university departments world-wide; his papers (PL. Willmore Collection) are with the National Seismological Archive (NSA), BGS, Edinburgh