F. R. Farmer
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F. Reg Farmer OBE, FRS, 1914-2001 was a nuclear regulator (working for the UKAEA's Safety and Reliability Directorate, SRD) and later an academic at Imperial College, London. He considered the public acceptability of risk, (eg from nuclear reactors), arguing that a whole spectrum of events needs to be considered - not just the Maximum Credible Accident, but also those of less consequence but which were much more probable.
He used examples such as hill walking to define a spectrum of risks which people found acceptable. He embodied this in a variation of (Acceptable Risk Frequency/Event Probability) with (Consequence), which is usually called the Farmer Curve. Farmer postulated a near-inverse variation as acceptable - thus events which have twice the consequence must be approximately half as frequent, or less. The Farmer Curve is usually plotted as a straight line in log-log co-ordinates.
