Securities and Exchange Commission
450 Fifth Street, N.W.
Judiciary Plaza
Washington, DC  20549

Ladies and Gentlemen:

I hereby authorize Louise B. Lancaster, Secretary, Mary E. Bowler,
 Assistant Secretary, or any other Assistant Secretary, or their
 respective successors in office, to sign and file on my behalf
 SEC Forms 3, 4 and 5 or any other SEC forms relating to changes
 in beneficial ownership of securities of E. I. du Pont de Nemours
 and Company.  This authorization shall remain in effect as long
 as I am an officer of DuPont unless it is earlier specifically
 revoked by me.

Very truly yours,

/s/ W. Donald Johnson

W. Donald Johnson
Group Vice President - Operations


January 18, 2004
Date