Use of Oral History Materials The Chemical Heritage Foundation’s Oral History Program holds copyright to the recordings and transcripts in its program and provides access to these materials strictly for educational and research purposes. The fact that transcript materials are posted on this site does not make them public domain documents, nor does it constitute a right to copy and/or publish these oral history materials. No use (beyond limited quotation) should be made of this material without the expressed permission of the CHF Oral History Program. Permission must be obtained for publication of any material beyond that which might jeopardize the integrity or value of the whole copyrighted work, as covered in the Fair Use portion of United States copyright law. To gain permission write to the manager of the Oral History Program at: Manager, Oral History Program Chemical Heritage Foundation 315 Chestnut Street Philadelphia, PA 19106 215-873-8260 oralhistory@chemheritage.org To view oral history materials, you can: Visit CHF, Monday–Friday, 10:00 a.m.–4:00 p.m., or by appointment with the manager of the Oral History Program Search the oral history abstracts database and fill out an online order form to request a full oral history transcript Write or call the manager of the Oral History Program Access Levels Access to oral history interviews varies. The access level for each oral history is indicated in the oral history abstracts database. Free Access May view, quote from, cite, or reproduce the oral history with the permission of CHF. Please note: Users citing interviews for purposes of publication are obliged under the terms of the Chemical Heritage Foundation Oral History Program to credit CHF using the following format: William Wishnick, interview by James J. Bohning at Witco Corporation, 13 May 1991 (Philadelphia: Chemical Heritage Foundation, Oral History Transcript #0093). Semi-restricted Access May view the oral history with the permission of CHF. Permission of the interviewee is required to quote from, cite, or reproduce the oral history. Please contact CHF to request interviewee’s permission. Restricted Access Permission of interviewee required to view, quote from, cite, or reproduce the oral history. Please contact CHF to request interviewee’s permission. Special Research Status Transcript remains unedited or lightly edited due to the interviewee’s request or incapacitation or to CHF’s discretion. Transcript may not contain an abstract, table of contents, or index. May view the oral history with the permission of CHF; however, one is not allowed to quote from, cite, or reproduce the oral history.