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Oral history interview with Carroll A. Hochwalt

  • 1985-Jul-12

Oral history interview with Carroll A. Hochwalt

  • 1985-Jul-12

Carroll A. Hochwalt begins with his early years in Dayton, Ohio, including his student days at the University of Dayton. This is followed by his work with Charles Kettering and Thomas Midgley, Jr., at Dayton Metal Products, where Hochwalt was a significant contributor to the development of lead tetraethyl and other antiknock compounds. In the central portion of the interview Hochwalt focuses on the Hochwalt and Thomas Laboratories, its development into a large consulting research operation, the clients it served, and the products it developed. The interview concludes with Hochwalt's association with the Monsanto Company and his role in the company's research management.

Property Value
Place of interview
  • 45 pages
Rights Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
Rights holder
  • Science History Institute
Credit line
  • Courtesy of Science History Institute

About the Interviewers

Jeffrey L. Sturchio is president and CEO of the Global Health Council. Previously he served as vice president of corporate responsibility at Merck & Co., president of the Merck Company Foundation, and chairman of the U.S. Corporate Council on Africa. Sturchio is currently a visiting scholar at the Institute for Applied Economics and the Study of Business Enterprise at Johns Hopkins University and a member of the Global Agenda Council on the Healthy Next Generation of the World Economic Forum. He received an AB in history from Princeton University and a PhD in the history and sociology of science from the University of Pennsylvania.

Arnold Thackray founded the Chemical Heritage Foundation and served the organization as president for 25 years. He is currently CHF’s chancellor. Thackray received MA and PhD degrees in history of science from Cambridge University. He has held appointments at Cambridge, Oxford University, and Harvard University, the Institute for Advanced Study, the Center for Advanced Study in the Behavioral Sciences, and the Hebrew University of Jerusalem. In 1983 Thackray received the Dexter Award from the American Chemical Society for outstanding contributions to the history of chemistry. He served for more than a quarter century on the faculty of the University of Pennsylvania, where he was the founding chairman of the Department of History and Sociology of Science and is currently the Joseph Priestley Professor Emeritus.

Institutional location

Oral history number 0024

Related Items

Interviewee biographical information

  • April 29, 1900
  • Dayton, Ohio, United States
  • May 23, 1987
  • St. Louis, Missouri, United States


Year Institution Degree Discipline
1922 University of Dayton BChE
1935 University of Dayton DSc

Professional Experience

Dayton Metal Products Company

  • 1918 to 1920 Laboratory Assistant

General Motors Corporation

  • 1920 to 1924 Research Chemist

Ethyl Corporation

  • 1924 to 1925 Production Manager

Thomas and Hochwalt Laboratories

  • 1926 to 1936 Vice President

Monsanto Company

  • 1936 to 1945 Associate Director, Central Research Department
  • 1945 to 1948 Director, Central Research Department
  • 1947 to 1964 Vice President of Research, Development, and Engineering
  • 1948 to 1950 Coordinator, Research Developments and Patents

Chemstrand Corporation

  • 1949 to 1950 President

St. Louis Research Council

  • 1964 to 1967 Director
  • 1967 to 1971 Vice Chairman of the Board

St. Louis Regional Industrial Development Corporation

  • 1965 to 1966 President

St. Louis Regional Commerce & Growth Association

  • 1971 to 1973 Director


Year(s) Award
1956 Midwest Award, American Chemical Society, St. Louis Section
1962 Honorary DSc, Washington University
1963 Knight of Malta, Pope Paul VI
1964 Honorary DSc, St. Louis University
1967 Distinguished Alumnus Award, University of Dayton
1969 Brotherhood Citation, National Conference of Christians and Jews (St. Louis)
1970 Cardinal Gibbons Award, Catholic University of America
1971 Society of Chemical Industry Medal (American Section)

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PDF — 3.0 MB

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

4 Separate Interview Segments Archival-quality downloads