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`!Hasok Chang`! (`F33f`_`[Korean`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Korean_language]`_`f: 장하석; born March 26, 1967) is a South Korea-born American `F33f`_`[historian and philosopher of science`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=History_and_philosophy_of_science]`_`f currently serving as the `F33f`_`[Hans Rausing`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Hans_Rausing]`_`f Professor at the `F33f`_`[Department of History and Philosophy of Science`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Department_of_History_and_Philosophy_of_Science,_Cambridge]`_`f at the `F33f`_`[University of Cambridge`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=University_of_Cambridge]`_`f and a board member of the `F33f`_`[Philosophy of Science Association`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Philosophy_of_Science_Association]`_`f. He previously served as president of the `F33f`_`[British Society for the History of Science`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=British_Society_for_the_History_of_Science]`_`f from 2012 to 2014.`:cite-ref-cambio-2-0[`F5bf`_`[2`#cite-note-cambio-2]`_`f]
His areas of interest include the history and philosophy of chemistry and physics, the philosophy of scientific practice, `F33f`_`[measurement in quantum mechanics`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Measurement_in_quantum_mechanics]`_`f, `F33f`_`[realism`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Philosophical_realism]`_`f, `F33f`_`[scientific evidence`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Scientific_evidence]`_`f, `F33f`_`[pluralism`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Scientific_method]`_`f and `F33f`_`[pragmatism`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Pragmatism]`_`f.`:cite-ref-cambio-2-1[`F5bf`_`[2`#cite-note-cambio-2]`_`f]
>>Contents
• `F0af`_`[Early life and education`#early-life-and-education]`_`f
• `F0af`_`[Career and awards`#career-and-awards]`_`f
• `F0af`_`[Bibliography`#bibliography]`_`f
• `F0af`_`[English`#english]`_`f
• `F0af`_`[Korean`#korean]`_`f
• `F0af`_`[Media appearances`#media-appearances]`_`f
• `F0af`_`[See also`#see-also]`_`f
• `F0af`_`[References`#references]`_`f
• `F0af`_`[External links`#external-links]`_`f
-─
>>Early life and education
Chang was born in `F33f`_`[Seoul`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Seoul]`_`f in 1967 to Korean civil servant (later politician) Che-Shik Chang and teacher Woo Sook Choi. Chang is the younger brother of economist `F33f`_`[Ha-Joon Chang`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Ha-Joon_Chang]`_`f and cousin of economist and `F33f`_`[Korea University`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Korea_University]`_`f professor Hasung Jang. He is married to psychotherapist Gretchen Siglar.`:cite-ref-3[`F5bf`_`[3`#cite-note-3]`_`f]
Chang studied at `F33f`_`[Northfield Mount Hermon School`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Northfield_Mount_Hermon_School]`_`f, `F33f`_`[Massachusetts`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Massachusetts]`_`f, where he was valedictorian in 1985, and he was a visiting student at `F33f`_`[Hampshire College`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Hampshire_College]`_`f in `F33f`_`[Massachusetts`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Massachusetts]`_`f. He graduated at the `F33f`_`[California Institute of Technology`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=California_Institute_of_Technology]`_`f in 1989 with a `F33f`_`[B.S. Honors`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Bachelor_of_Science]`_`f in an Independent Studies Program, concentrating on `F33f`_`[theoretical physics`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Theoretical_physics]`_`f and `F33f`_`[philosophy`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Philosophy]`_`f.`:cite-ref-2009cv-1-1[`F5bf`_`[1`#cite-note-2009cv-1]`_`f] He went to `F33f`_`[Stanford University`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Stanford_University]`_`f where he completed his `F33f`_`[Ph.D.`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Doctor_of_Philosophy]`_`f in philosophy in 1993. His dissertation topic was entitled, `*Measurement and the Disunity of Quantum Physics`*. He was also a visiting graduate student at `F33f`_`[Harvard University`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Harvard_University]`_`f.`:cite-ref-2009cv-1-2[`F5bf`_`[1`#cite-note-2009cv-1]`_`f]
>>Career and awards
Chang was a research associate in physics at Harvard University from July 1993 to December 1994. In 1995 he moved to the `F33f`_`[United Kingdom`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=United_Kingdom]`_`f where he worked as a lecturer at `F33f`_`[University College London`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=University_College_London]`_`f's `F33f`_`[Department of Science and Technology Studies`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Department_of_Science_and_Technology_Studies]`_`f, `F33f`_`[becoming a professor`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Academic_ranks_in_the_United_Kingdom]`_`f in 2008.`:cite-ref-2009cv-1-3[`F5bf`_`[1`#cite-note-2009cv-1]`_`f] Chang moved to the `F33f`_`[University of Cambridge`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=University_of_Cambridge]`_`f in 2010, becoming the Hans Rausing Professor of History and Philosophy of Science.`:cite-ref-cambio-2-2[`F5bf`_`[2`#cite-note-cambio-2]`_`f]
He worked as a consultant on `F33f`_`[BBC Four`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=BBC_Four]`_`f's series `*`F33f`_`[Shock and Awe: The Story of Electricity`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Shock_and_Awe:_The_Story_of_Electricity]`_`f`* and `F33f`_`[Channel 4`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Channel_4]`_`f's `*`F33f`_`[Genius of Britain: The Scientists Who Changed the World`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Genius_of_Britain]`_`f`*.`:cite-ref-imdb-4-0[`F5bf`_`[4`#cite-note-imdb-4]`_`f] He appeared on `F33f`_`[EBS`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Educational_Broadcasting_System]`_`f's series `*Chang Hasok's Science Meets Philosophy`* from February to May 2014, where he delivered lectures in Korean.`:cite-ref-ebs-5-0[`F5bf`_`[5`#cite-note-ebs-5]`_`f]
Chang is a founding member of the Committee for Integrated History and Philosophy of Science and the Society for Philosophy of Science in Practice, and he served as president of the `F33f`_`[British Society for the History of Science`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=British_Society_for_the_History_of_Science]`_`f from 2012 to 2014 and vice-president from 2014 to 2015.`:cite-ref-cambio-2-3[`F5bf`_`[2`#cite-note-cambio-2]`_`f] He won the `F33f`_`[Lakatos Award`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Lakatos_Award]`_`f in 2006 for his book `*Inventing Temperature: Measurement and Scientific Progress`*`:cite-ref-lse-6-0[`F5bf`_`[6`#cite-note-lse-6]`_`f] and in 2013 he won the `F33f`_`[Fernando Gil International Prize for the Philosophy of Science`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Fernando_Gil_International_Prize_for_the_Philosophy_of_Science]`_`f for his book `*Is Water H
2O?: Evidence, Realism and Pluralism`*.`:cite-ref-7[`F5bf`_`[7`#cite-note-7]`_`f] On May 10, 2016, he gave the `F33f`_`[Wilkins-Bernal-Medawar Lecture`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Wilkins-Bernal-Medawar_Lecture]`_`f at the `F33f`_`[Royal Society`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Royal_Society]`_`f.`:cite-ref-rs-8-0[`F5bf`_`[8`#cite-note-rs-8]`_`f]
He was awarded the `F33f`_`[Abraham Pais Prize for History of Physics`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Abraham_Pais_Prize_for_History_of_Physics]`_`f in 2021 from the `F33f`_`[American Physical Society`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=American_Physical_Society]`_`f "For innovative and influential studies on the history and philosophy of the physical sciences, including scholarly works on scientific evidence, the physics-chemistry interaction, and historical and epistemic aspects of thermal physics."`:cite-ref-9[`F5bf`_`[9`#cite-note-9]`_`f]
>>Bibliography
>>>English
• `*Inventing Temperature: Measurement and Scientific Progress`* (2004)`:cite-ref-cambio-2-4[`F5bf`_`[2`#cite-note-cambio-2]`_`f]
• `*Is Water H 2O?: Evidence, Realism and Pluralism`* (2012)`:cite-ref-cambio-2-5[`F5bf`_`[2`#cite-note-cambio-2]`_`f]
• `*Realism for Realistic People: A New Pragmatist Philosophy of Science`* (2022)`:cite-ref-10[`F5bf`_`[10`#cite-note-10]`_`f]
>>>Korean
• 장하석의 과학, 철학을 만나다 `*(Science Meets Philosophy)`* (2014)`:cite-ref-11[`F5bf`_`[11`#cite-note-11]`_`f]
>>Media appearances
• `*`F33f`_`[Horizon`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Horizon_(BBC_TV_series)]`_`f`*, "`F33f`_`[What is One Degree?`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=List_of_Horizon_episodes]`_`f" (January 10, 2011) – Interviewed by `F33f`_`[Ben Miller`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Ben_Miller]`_`f`:cite-ref-imdb-4-1[`F5bf`_`[4`#cite-note-imdb-4]`_`f]
• `*`F33f`_`[Nova`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Nova_(American_TV_series)]`_`f – Absolute Zero: The Conquest of Cold`* (January 8, 2008)`:cite-ref-imdb-4-2[`F5bf`_`[4`#cite-note-imdb-4]`_`f]
• `*Chang Hasok's Science Meets Philosophy`* (February–May 2014) – Aired on `F33f`_`[EBS`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Educational_Broadcasting_System]`_`f`:cite-ref-ebs-5-1[`F5bf`_`[5`#cite-note-ebs-5]`_`f]
>>See also
• `F33f`_`[Pictet's experiment`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Pictet's_experiment]`_`f, which Chang drew attention to in `*Inventing Temperature`*`:cite-ref-12[`F5bf`_`[12`#cite-note-12]`_`f] and a 2002 article.`:cite-ref-13[`F5bf`_`[13`#cite-note-13]`_`f]
>>References
`:cite-note-2009cv-1`!1.`! "Hasok Chang CV". `*Academia.edu`*. September 10, 2014. Retrieved December 27, 2020.
`:cite-note-cambio-2`!2.`! `F0af`_`[↑`#cite-ref-cambio-2-0]`_`f "Hasok Chang biography". `*University of Cambridge`*. Archived from the original on February 12, 2017. Retrieved May 14, 2016.
`:cite-note-3`!3.`! `F0af`_`[↑`#cite-ref-3]`_`f "Scientific Pluralism and the Mission of History and Philosophy of Science" on `F33f`_`[YouTube`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=YouTube_video_(identifier)]`_`f
`:cite-note-imdb-4`!4.`! `F0af`_`[↑`#cite-ref-imdb-4-0]`_`f Hasok Chang at `F33f`_`[IMDb`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=IMDb_(identifier)]`_`f
`:cite-note-ebs-5`!5.`! `F0af`_`[↑`#cite-ref-ebs-5-0]`_`f "다시 보기". `*장하석의 과학, 철학을 만나다`*. EBS.
`:cite-note-lse-6`!6.`! `F0af`_`[↑`#cite-ref-lse-6-0]`_`f "Lakatos Award". `*London School of Economics`*. September 19, 2014. Retrieved May 14, 2016.
`:cite-note-7`!7.`! `F0af`_`[↑`#cite-ref-7]`_`f "2013 Winner". `*Fernando Gil International Prize for the Philosophy of Science`*. Retrieved May 14, 2016.
`:cite-note-rs-8`!8.`! `F0af`_`[↑`#cite-ref-rs-8-0]`_`f "Who cares about the history of science?". `*Royal Society`*. May 10, 2016. Retrieved May 14, 2016.
`:cite-note-9`!9.`! `F0af`_`[↑`#cite-ref-9]`_`f "2021 Abraham Pais Prize for History of Physics Recipient". American Physical Society. Retrieved January 9, 2022.
`:cite-note-10`!10.`! `F0af`_`[↑`#cite-ref-10]`_`f "Realism realistic people new pragmatist philosophy science". `*University of Cambridge`*. Retrieved May 21, 2023.
`:cite-note-11`!11.`! `F0af`_`[↑`#cite-ref-11]`_`f 장하석의 과학, 철학을 만나다. `*Kyobo Book Centre`*. Retrieved July 4, 2018.
`:cite-note-12`!12.`! `F0af`_`[↑`#cite-ref-12]`_`f `:citerefchang2007`aChang, Hasok (2007). `*Inventing temperature: measurement and scientific progress`*. Oxford studies in philosophy of science (1. issued as paperback ed.). Oxford: Oxford University Press. pp. 166–167. `F33f`_`[ISBN`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=ISBN_(identifier)]`_`f 978-0-19-533738-9.
`:cite-note-13`!13.`! `F0af`_`[↑`#cite-ref-13]`_`f `:citerefchang2002`aChang, Hasok (May 2002). "Rumford and the Reflection of Radiant Cold: Historical Reflections and Metaphysical Reflexes". `*Physics in Perspective`*. `!4`! (2): 132. `F33f`_`[Bibcode`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Bibcode_(identifier)]`_`f:2002PhP.....4..127C. `F33f`_`[doi`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Doi_(identifier)]`_`f:10.1007/s00016-002-8362-8. `F33f`_`[ISSN`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=ISSN_(identifier)]`_`f 1422-6944.
>>External links
• Hasok Chang on `F33f`_`[academia.edu`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Academia.edu]`_`f
• Hasok Chang at `F33f`_`[IMDb`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=IMDb_(identifier)]`_`f
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