From Models and Metaphors , by Max Black,
Cornell University Press, 1962 —
I do not recommend the work of Lewin, nor that of a later
science groupie, Keith Devlin.
In September 2014, Devlin wrote an ignorant column about
a sort of bad mathematical joke based on a divergent infinite series.
He has now returned to the topic, this time writing more about
its proper mathematical background: analytic continuation .
Lewin is to Devlin as Lévi-Strauss is to Chomsky.
None of these four should be taken very seriously.
Max Black, however, should .