Karl Freed

{{Short description|American theoretical chemist}}

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| birth_name = Karl Frederick Freed

| birth_date = {{birth date and age|1942|09|25}}

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| fields = Polymer physics
Biophysics
Chemical physics
Theoretical chemistry

| workplaces = University of Manchester
University of Chicago

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| alma_mater = Columbia University (BS)
Harvard University (PhD)

| thesis_title = Theoretical studies in molecular spectroscopy

| thesis_url = https://www.worldcat.org/oclc/1035215046

| thesis_year = 1967

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| doctoral_students = John M. Jumper
Moungi Bawendi

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Karl Frederick Freed (born September 25, 1942) is an American theoretical chemist recognized for his research in polymer physics. Freed has spent his academic career in the department of chemistry and the James Frank Institute at the University of Chicago, where he is the Henry G. Gale Distinguished Service Professor emeritus.{{Cite web|url=https://chemistry.uchicago.edu/faculty/karl-freed|title=Faculty {{!}} University of Chicago Department of Chemistry|website=chemistry.uchicago.edu|access-date=2020-04-24}}{{Cite web|url=https://jfi.uchicago.edu/faculty.html|title=Faculty {{!}} James Franck Institute|access-date=2020-04-24|archive-date=2019-12-01|archive-url=https://web.archive.org/web/20191201050201/https://jfi.uchicago.edu/faculty.html|url-status=dead}} He is a member of the American Academy of Arts and Sciences, a Fellow of the American Physical Society, and was awarded the Polymer Physics Prize of the American Physical Society in 2014 and the Award in Pure Chemistry by the American Chemical Society in 1976.{{Cite web|url=https://www.aps.org/programs/honors/prizes/prizerecipient.cfm?last_nm=Freed&first_nm=Karl&year=2014|title=2014 Polymer Physics Prize Recipient|website=www.aps.org|language=en|access-date=2020-04-24}}{{Cite web|url=https://www.acs.org/content/acs/en/funding-and-awards/awards/national/bytopic/acs-award-in-pure-chemistry.html|title=ACS Award in Pure Chemistry}}{{Cite journal|date=2008|title=Biography of Karl Freed|url=https://pubs.acs.org/doi/abs/10.1021/jp806182m|journal=Journal of Physical Chemistry B|volume=112|pages=15945–15947|doi=10.1021/jp806182m|last1=Mohanty|first1=Udayan|last2=Herman|first2=Michael|last3=Douglas|first3=Jack|last4=Dudowitcz|first4=Jacek|issue=50|pmid=19072138|doi-access=free|url-access=subscription}}{{Google scholar id}}{{Scopus id}}