EXHIBIT 23.   CONSENT OF INDEPENDENT ACCOUNTANTS.

We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8 (No. 33-37279) of Hercules Incorporated of our report
dated June 24, 2002 relating to the financial statements of the Hercules
Incorporated Savings and Investment Plan, which appears in this Form 11-K.


/s/ PricewaterhouseCoopers LLP
Philadelphia, Pennsylvania
June 28, 2002