The Doctor's
Dilemma
, there are five acts; the place is altered five times; and
the time is spread over an undetermined period of more than a year.
No doubt the strain on the attention of the audience and on the
ingenuity of the playwright is much less; but I find in practice
that the Greek form is inevitable when the drama reaches a certain
point in poetic and intellectual evolution. Its adoption was not, on
my part, a deliberate display of virtuosity in form, but simply the
spontaneous falling of a play of ideas into the form most suitable
to it, which turned out to be the classical form."