EXHIBIT 99.1
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                       CERTIFICATION PURSUANT TO
                        18 U.S.C. SECTION 1350,
                        AS ADOPTED PURSUANT TO
             SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002




In connection with the Quarterly Report of Landauer, Inc. (the "Company")
on Form 10-Q for the period ending June 30, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I,
Brent A. Latta, Chief Executive Officer of the Company, certify, pursuant
to 18 U.S.C. Section  1350, as adopted pursuant to Section  906 of the
Sarbanes-Oxley Act of 2002, that:

     (1)   The Report fully complies with the requirements of
           section 13(a) or 15(d) of the Securities Exchange Act
           of 1934; and

     (2)   The information contained in the Report fairly presents,
           in all material respects, the financial condition and
           result of operations of the Company.




                                       /s/ Brent A. Latta
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                                       Brent A. Latta
                                       Chief Executive Officer
                                       August 12, 2002