Oral history interview with William Wishnick

Oral history interview with William Wishnick

  • 1991-May-13

William Wishnick begins this interview by describing his parents' careers and the founding of the Wishnick-Tumpeer Chemical Company in 1920. His father's company, now called Witco, expanded with the acquisition of several domestic arid international companies and went public in 1958. After serving in the military and completing his education, Wishnick began working for the company in 1949. Wishnick served as vice president and treasurer, executive vice president, president, and chairman of the board and chief operating officer until his retirement in 1990. Wishnick discusses how the company grew with the addition of manufacturing and marketing, the purchase of other companies, and the diversification of product lines. Wishnick concludes the interview by discussing how the nature of doing business has changed over the years.

Place of interview
Original file type PDF, MP3
  • 65 pages
Rights In Copyright - Non-Commercial Use Permitted
Rights holder
  • Science History Institute
Related URL
Credit line
  • Courtesy of Science History Institute

Physical location


Cite as

William Wishnick, interviewed by James J. Bohning in Witco Chemical Corporation on May 13, 1991. Philadelphia: Science History Institute, n.d. Oral History Transcript 0093. https://digital.sciencehistory.org/works/05741s953.

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Transcript (Published Version)

The published version of the transcript may diverge from the interview audio due to edits to the transcript made by staff of the Center for Oral History, often at the request of the interviewee, during the transcript review process.

Complete Interview Audio File Web-quality download

6 Separate Interview Segments Archival-quality downloads