The
http://vdash.org/formal/ page in the section "Other Formalization Efforts" contains a list of current projects related to formalized mathematics.
With some web searching this list can be converted to a list of people to contact.
Slawekk
IsarMathLib (www.formalmath.org)
Library of Formalized Mathematics for Isabelle/Isar (ZF Logic)
> ----------------------------------------------------------------
> Message-ID: <
4975CDB4.2010107@...>
> Date: Tue, 20 Jan 2009 14:12:20 +0100
> From: Arnold Neumaier <
Arnold.Neumaier@...>
> To: Freek Wiedijk <
freek@...>
> Subject: The QED Project
> would like to know about which
> people to
> contact for possible collaboration.
>