“Hard systems viewpoints are basically those held by designers and engineers who are trying to create systems to meet an understood need in an effective and economic manner. Those in the soft camp caricature the approach as head-down, concerned with optimization, obsessed with quantitative metrics and highly pragmatic. So much so, in fact, that the term system thinking has been purloined by the soft camp as though they alone thought! The soft camp use the term engineer’s philosophy, not too endearingly, to describe the hard approach, in which the requirement is stated by a customer and the engineer satisfies the requirement without question.”

—  Derek Hitchins

Source: Putting systems to work (1992), p. 6; as cited in: Stuart Anderson (2006) "Heterogeneous Modelling of Evolution for Socio-technical Systems"

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British systems engineer 1935

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