The topic of this article may not meet Wikipedia's general notability guideline. (November 2018) (Learn how and when to remove this template message)
Joel A. Tarr (born 1934) is an American historian, currently the Richard S. Caliguiri University Professor of History and Policy at Carnegie Mellon University. His research includes environmental and urban development and systems and their effects.
- "Joel A. Tarr". cmu.edu. Retrieved May 1, 2017.
|This biographical article about an American historian of science is a stub. You can help Wikipedia by expanding it.|