What does CPK stand for?

[Tom Walsh]

In article <3403E65F.948867BA at artus.org.chemie.tu-muenchen.de>,
Rainer Gratias  <rg at artus.org.chemie.tu-muenchen.de> wrote:
>Hallo altogether,
>
>it's really ridiculous, I know what CPK models are, but I can't find
>the words CPK stands for.
>Any hint?
>
  CPK are the initials of Corey, Pauling and Kultun, who developed the
original plastic space-filling models.

       Tom
>