POWER OF ATTORNEY


	Know all by these presents, that the undersigned hereby
constitutes and appoints each of Jack H. Cleland, Melissa J. Gambol,
Linda E. Jolly, Mark S. Rogus, Lewis A. Steverson and R. Tony
Tripeny signing singly, his true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned the application for
EDGAR Form ID that is used to facilitate electronic filings with the
Securities and Exchange Commission;

(2) execute for and on behalf of the undersigned Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities and Exchange Act of
1934 and the rules thereunder;

(3) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete the
execution of any such Form 3, 4 or 5 and the timely filing of such
form with the United States Securities and Exchange Commission and
any other authority; and

(4) take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney-in-fact, may be
of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed to this
Power of Attorney shall be in such form and shall contain such terms
and conditions as such attorney-in-fact may approve in his
discretion.

	The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform all and every act and
thing whatsoever requisite, necessary and proper to be done in the
exercise of any of the rights and powers herein granted, as fully to
all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or
his substitute or substitutes, shall lawfully do or cause to be done
by virtue of this power of attorney and the right and powers herein
granted.  The undersigned acknowledges that the foregoing attorneys-
in-fact, in serving in such capacity at the request of the
undersigned, are not assuming any of the undersigned?s
responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934. Unless earlier revoked in a signed writing,
the undersigned grants such power and authority to remain in effect
until such time as he or she is no longer required to file Forms 3,
4 or 5.

	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 23rd day of April, 2014.



						/s/ James P. Clappin