none other than
none
other
than
used to emphasize the
surprising
identity
of a
person
or
thing
:
あの［例の］A (!有名な人･物への言及を強調して) ; ほかならぬA〈人･物〉 (!驚きを表して) .
e.g.
her first customer was none other than Henry du Pont.
#collocation