Exhibit 24(a) CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectuses constituting part of the Registration Statements on Form S-3 (Nos. 33-51041, 33-50983 and 33-25962) and Form S-8 (Nos. 33-7504, 33-15182, 33-27960, 33-54201 and 33-54203) of W. R. Grace & Co. of (a) our report dated June 27, 1994 appearing on page F-1 of the Annual Report of the W. R. Grace & Co. Salaried Employees Savings and Investment Plan on Form 11-K for the year ended December 31, 1993, and (b) our report dated June 27, 1994 appearing on page F-1 of the Annual Report of the W. R. Grace & Co. Hourly Employees Savings and Investment Plan on Form 11-K for the year ended December 31, 1993. PRICE WATERHOUSE /s/ PRICE WATERHOUSE New York, New York June 27, 1994