POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Daniel J. Fujii and Kara B. Venegas, signing singly, the
undersigned's true and lawful attorney-in-fact to:

(1) 	execute for and on behalf of the undersigned, all reports to be filed
by the undersigned pursuant to Section 16(a) of the Securities Exchange Act
of 1934, as amended (the "Exchange Act") and the rules promulgated thereunder
(including Forms 3, 4, and 5 and any successor forms)
(the "Section 16 Reports") with respect to the equity securities of
Landauer, Inc. (the "Company");

(2) 	do and perform any and all acts for and on behalf of the undersigned
that may be necessary or desirable to complete and execute any such Section 16
Report, complete and execute any amendment or amendments thereto, and file
such report with the United States Securities and Exchange Commission and any
stock exchange or similar authority; and

(3) 	take any other action of any type whatsoever in connection with the
foregoing that, 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 by such attorney-in-fact on behalf of
the undersigned pursuant 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 such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever
requisite, necessary, or 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 such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this Power
of Attorney and the rights 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, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Exchange Act.

This Power of Attorney shall be effective as of the date set forth below
and shall continue in full force and effect until the undersigned is no
longer required to file Section 16 Reports with respect to the equity
securities of the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 21st day of February, 2017.

Signature: /s/ Frank B. Modruson
Name:  	Frank B. Modruson