EX-23.1 2 exh_231.txt EXHIBIT 23.1 ------------ CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement No. 333-126329 on Form S-8 of Landauer, Inc. of our report dated June 25, 2010 appearing in this Annual Report on Form 11-K of the Landauer, Inc. 401(k) Retirement Savings Plan for the year ended December 31, 2009. /s/ Crowe Horwath LLP ------------------------------ Crowe Horwath LLP Oak Brook, Illinois June 25, 2010