Image: John Haas ID2005 crop
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Description: Photograph of John C. Haas, retired chairman of Rohm and Haas Company, at Innovation Day, 7 September 2005, at the Chemical Heritage Foundation, Philadelphia, PA, USA.
Title: John Haas ID2005 crop
Credit: Science History Institute
Author: Staff photographer
Permission: This file was provided to Wikimedia Commons by the Science History Institute as part of a cooperation project.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes
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