1 EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Dale S. Coenen and Kai Kosanke, and each of them his true and lawful attorneys-in-fact and for him and in his name, place and stead, in any and all capacities, to sign any and all amendments, including post-effective amendments, to this Registration Statement, and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or his substitute or substitutes, may do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the date indicated: Signature Title Date ----------------------- --------------------- -------------- /s/ Dale S. Coenen Chairman of the Board May 14, 1997 ----------------------- and Chief Executive Dale S. Coenen Officer and Director /s/ Duncan Miller Director May 14, 1997 ----------------------- Duncan Miller /s/ Gerald Murphy Director May 14, 1997 ----------------------- Gerald Murphy /s/ Matthew M. Wirgau Director May 14, 1997 ----------------------- Matthew M. Wirgau 11