A History of Soap
All over the world, for all of human history – and probably going back to our earliest hominid ancestors – people have found ways to try to keep themselves clean. But how did soap come about? Research: “Soap, N. (1), Etymology.” Oxford English Dictionary, Oxford UP, June 2025, https://doi.org/10.1093/OED/1115187665. American Cleaning Institute. “Soaps & Detergents History.” https://www.cleaninginstitute.org/understanding-products/why-clean/soaps-detergents-history Beckmann, John. “History of Inventions, Discoveries and Origins.” William Johnston, translator. Bosart, L.W. “The Early History of the Soap Industry.” The American Oil Chemists' Society. Journal of Oil & Fat Industries 1924-10: Vol 1 Iss 2. Cassidy, Cody. “Who Discovered Soap? What to Know About the Origins of the Life-Saving Substance.” Time. 5/5/2020. https://time.com/5831828/soap-origins/ Ciftyurek, Muge, and Kasim Ince. "Selahattin Okten Soap Factory in Antakya and an Evaluation on Soap Factory Plan Typology/Antakya'da Bulunan Selahattin Okten Sabunhanesi ve Sabunhane Plan Tipolojisi Uzerine Bir Degerlendirme." Art-Sanat, no. 19, Jan. 2023, pp. 133+. Gale Academic OneFile, dx.doi.org/10.26650/artsanat.2023.19.1106544. Accessed 18 Aug. 2025. Costa, Albert B. “Michel-Eugène Chevreul.” Encyclopedia Britannica. https://www.britannica.com/biography/Michel-Eugene-Chevreul Curtis, Valerie A. “Dirt, disgust and disease: a natural history of hygiene.” Journal of epidemiology and community health vol. 61,8 (2007): 660-4. doi:10.1136/jech.2007.062380 Dijkstra, Albert J. “How Chevreul (1786-1889) based his conclusions on his analytical results.” OCL. Vol. 16, No. 1. January-February 2009. Gibbs, F.W. “The History and Manufacture of Soap.” Annals of Science. 1939. Koeppel, Dan. “The History of Soap.” 4/15/2020. https://www.nytimes.com/wirecutter/blog/history-of-soap/ List, Gary, and Michael Jackson. “Giants of the Past: The Battle Over Hydrogenation (1903-1920).” https://www.ars.usda.gov/research/publications/publication/?seqNo115=210614 Maniatis, George C. “Guild Organized Soap Manufacturing Industry in Constantinople: Tenth-Twelfth Centuries.” Byzantion, 2010, Vol. 80 (2010). https://www.jstor.org/stable/44173107 National Museum of American History. “Bathing (Body Soaps and Cleansers).” https://americanhistory.si.edu/collections/object-groups/health-hygiene-and-beauty/bathing-body-soaps-and-cleansers New Mexico Historic Sites. “Making Soap from the Leaves of the Soaptree Yucca.” https://nmhistoricsites.org/assets/files/selden/Virtual%20Classroom_Soaptree%20Yucca%20Soap%20Making.pdf “The history of soapmaking.” 8/30/2019. https://www.open.edu/openlearn/history-the-arts/history/history-science-technology-and-medicine/history-science/the-history-soapmaking Pliny the Elder. “The Natural History of Pliny. Translated, With Copious Notes and Illustrations.” Vol. 5. John Bostock, translator. https://www.gutenberg.org/files/60688/60688-h/60688-h.htm Pointer, Sally. “An Experimental Exploration of the Earliest Soapmaking.” EXARC Journal. 2024/3. 8/22/2024. https://exarc.net/issue-2024-3/at/experimental-exploration-earliest-soapmaking Ridner, Judith. “The dirty history of soap.” The Conversation. 5/12/2020. https://theconversation.com/the-dirty-history-of-soap-136434 Routh, Hirak Behari et al. “Soaps: From the Phoenicians to the 20th Century - A Historical Review.” Clinics in Dermatology. Vol. No. 3. 1996. Smith, Cyril Stanley, and John G. Hawthorne. “Mappae Clavicula: A Little Key to the World of Medieval Techniques.” Transactions of the American Philosophical Society, vol. 64, no. 4, 1974, pp. 1–128. JSTOR, https://doi.org/10.2307/1006317. Accessed 18 Aug. 2025. Timilsena, Yakindra Prasad et al. “Perspectives on Saponins: Food Functionality and Applications.” International journal of molecular sciences vol. 24,17 13538. 31 Aug. 2023, doi:10.3390/ijms241713538 “Craftsmanship of Aleppo Ghar soap.” https://ich.unesco.org/en/RL/craftsmanship-of-aleppo-ghar-soap-02132 “Tradition of Nabulsi soap making in Palestine.” https://ich.unesco.org/en/RL/tradition-of-nabulsi-soap-making-in-palestine-02112 “Soaps.” https://www.fs.usda.gov/wildflowers/ethnobotany/soaps.shtml van Dijk, Kees. “Soap is the onset of civilization.” From Cleanliness and Culture. Kees van Dijk and Jean Gelman Taylor, eds. Brill. 2011. https://www.jstor.org/stable/10.1163/j.ctvbnm4n9.4 Wei, Huang. “The Sordid, Sudsy Rise of Soap in China.” Sixth Tone. 8/11/2020. https://www.sixthtone.com/news/1006041 See omnystudio.com/listener for privacy information.
8 Sep 39min
SYMHC Classics: John Dalton
This 2021 episode covers John Dalton, famous for his work in atomic theory. But he wrote one of the first thorough descriptions of what he called “anomalous vision” – he realized he wasn’t perceiving color the same way as other people. See omnystudio.com/listener for privacy information.
6 Sep 34min
Behind the Scenes Minis: Jane and the Clicker
Holly talks about nebulous passages in the writing of Jane Croly and her brother. Tracy and Holly talk about watching TV as children. See omnystudio.com/listener for privacy information.
5 Sep 30min
TV Remotes
The initial time period where a TV remote control was developed was pretty short. And it shows how two different people perceive their work, and how that work is perceived differently over time by their employer. Research: Adler, R. “Control System.” Dec. 17, 1957. U.S. Patent Office. https://patentimages.storage.googleapis.com/9a/fb/1a/619d2580b08526/US2817025.pdf AFX News. “COMPANY NEWS; MOTOROLA TO BUY ZENITH ELECTRONICS NETWORK SYSTEMS.” New York Times. July 20, 2000. https://www.nytimes.com/2000/07/20/business/company-news-motorola-to-buy-zenith-electronics-network-systems.html Benson-Allott, Caetlin. “Remote Control.” Bloomsbury Academic. 2015. Dowling, Stephen. “The Surprising Origins of the TV Remote.” BBC. Aug. 31, 2018. https://www.bbc.com/future/article/20180830-the-history-of-the-television-remote-contro Fox, Margalit. “Eugene Polley, Conjuror of a Device That Changed TV Habits, Dies at 96.” New York Times. May 22, 2012. https://www.nytimes.com/2012/05/23/business/eugene-t-polley-inventor-of-the-wireless-tv-remote-dies-at-96.html Gertner, Jon. “A Clicker Is Born.” New York Times Magazine. Dec. 30, 2007. https://www.nytimes.com/2007/12/30/magazine/30Adler-t.html Gregory, Ted. “Remote’s Inventor Hopes to Push Buttons of History.” Press of Atlantic City. Feb. 5, 2006. https://www.newspapers.com/image/926298372/?match=1&terms=eugene%20polley “Heritage.” Zenith. https://zenith.com/heritage/ “Man who glued TV watchers to the couch dies.” Cnn.com (via AP). Feb 16, 2007. https://web.archive.org/web/20070219040307/http://edition.cnn.com/2007/US/02/16/obit.remote.control.ap/index.html “Now … a Flash of Light Without wires!” (Advertisement.) The Salt Lake Tribune. Nov. 20, 1955. https://www.newspapers.com/image/598655702/?match=1&terms=Flash-matic Polley, Eugene J. “Control System.” U.S. Patent Office. Sept. 8, 1959. https://patentimages.storage.googleapis.com/f7/02/b1/5716b40ac9c0fc/US2903575.pdf “Robert Adler.” National Inventors Hall of Fame. https://www.invent.org/inductees/robert-adler “Robert Adler - TV Wireless Remote.” Lemelson-MIT. https://lemelson.mit.edu/resources/robert-adler Schofield, Jack. “Eugene Polley Obituary.” The Guardian. May 23, 2012. https://www.theguardian.com/technology/2012/may/23/eugene-polley Slodysko, Brian. “Eugene Polley dies at 96; inventor of wireless TV remote control.” May 23, 2012. https://www.latimes.com/local/obituaries/la-me-eugene-polley-20120523-story.html Stroh, Michael. “The Couch Potato’s Best Friend.” Baltimore Sun. Nov. 22, 2006. https://www.newspapers.com/image/173151815/?match=1&terms=eugene%20polley “TV remote control inventor Eugene Polley dies at 96.” BBC. May 22, 2012. https://www.bbc.com/news/world-us-canada-18164200 “You have to see it to believe it!” (Advertisement.) Syracuse herald-Journal. Sept. 27, 1955. https://www.newspapers.com/image/1088093208/?match=1&terms=Flash-matic “Zenith Space Command …” Evening World Herald/ Dec. 26, 1956. https://www.newspapers.com/image/883665550/?match=1&terms=%22Space%20Command%22 See omnystudio.com/listener for privacy information.
3 Sep 42min
Jane Cunningham Croly, aka Jennie June
Jane Cunningham Croly, who wrote under the pen name Jennie June, was a journalist who advocated for equality for women. She is most well known for founding one of the earliest clubs for women in the U.S. Research: Croly, Jennie June. “Jennie June's American Cookery Book, Containing Upwards of Twelve Hundred Choice and Carefully Tested Receipts.” Excelsior. 1878. https://www.google.com/books/edition/Jennie_June_s_American_Cookery_Book_Cont/enEEAAAAYAAJ?hl=en&gbpv=0 Croly, J.C. “Sorosis: Its Origin and History.” New York. J.J. Little & Co. 1886. Accessed online: https://archive.org/details/sorosisitsorigin00crol/page/n3/mode/2up Croly, J.C. “Thrown on her own resources, or, What girls can do.” New York. T.Y. Crowell & Co. 1891. https://catalog.hathitrust.org/Record/100170730 Croly, J.C. “The history of the woman's club movement in America.” New York. H.G. Allen. 1898. https://archive.org/details/historywomanscl00clubgoog/page/n10/mode/2up “The Dickens Dinner.” Louisville Daily Courier. April 19, 1868. https://www.newspapers.com/image/119304180/?match=1&terms=%22Jennie%20June%22%20press%20club%20dickens https://web.archive.org/web/20120120014321/http://www.gfwc.org/gfwc/Jane_Cunningham_Croly.asp “Jane Cunningham Croly.” General Federation of Women’s Clubs. https://web.archive.org/web/20120120014321/http://www.gfwc.org/gfwc/Jane_Cunningham_Croly.asp “Jane Cunningham Croly.” National Women’s Hall of Fame. https://www.womenofthehall.org/inductee/jane-cunningham-croly/ “Jane Cunningham (“Jennie June”) Croly.” Ebsco. https://www.ebsco.com/research-starters/womens-studies-and-feminism/jane-cunningham-jennie-june-croly “Our Mission.” General Federation of Women’s Clubs. https://www.gfwc.org/who-we-are/ “Rockford Register (Rockford, Ill.) 1855-187?” Library of Congress. https://www.loc.gov/item/sn82014331 Morse, Caroline M., ed, and Woman’s Press Club of New York City, “Memories of Jane Cunningham Croly, ‘Jenny June,’” Produced by Ari J Joki and PG Distributed Proofreaders. Accessed online: https://www.gutenberg.org/cache/epub/12099/pg12099-images.html “The New York Sorosis.” The Charleston Daily News. Nov. 5, 1868. https://www.newspapers.com/image/87596013/?match=1&terms=sorosis Puchko, Kristy. “Journalist Jennie June Was "Having It All" in the 19th Century.” Mental Floss. April 14, 2015. https://www.mentalfloss.com/article/62964/journalist-jennie-june-was-having-it-all-19th-century “The Sorosis Lunch.” Chicago Evening Post. Sept. 28, 1868. https://www.newspapers.com/image/668238331/?match=1&terms=sorosis “Sorosis.” Leavenworth Daily Commercial. Aug. 11, 1868. https://www.newspapers.com/image/425238609/?match=1&terms=sorosis See omnystudio.com/listener for privacy information.
1 Sep 35min
SYMHC Classics: Rabies
This 2022 episode discusses how modern rabies prophylaxis is almost 100% effective at preventing human death from the bite of a rabid animal. How did people come to understand rabies, and then develop a vaccination for it?See omnystudio.com/listener for privacy information.
30 Aug 41min
Behind the Scenes Minis: Graffiti Animals
Holly talks about the arguments she found online about whether graffiti is art. Tracy talks about how the Dickin Medal impacted veterinary medicine. See omnystudio.com/listener for privacy information.
29 Aug 23min
Six Impossible Episodes: The Dickin Medal
Maria Dickin wanted to raise the status of animals in society and bring more awareness to the work they were doing during World War II. The Dickin Medal was created to honor military working animals. This episode covers six of those recipients. Research: “Cats and Dogs.” Sabretache: The Official Journal of the Calgary Military Historical Society. August Extra #1. 2022. http://cmhs.ca/sabretache/Sabretache_2022_08_1.pdf Classic Warbirds. “Pigeons at War - The RAF and the National Pigeon Service.” https://www.classicwarbirds.co.uk/articles/pigeons-at-war-the-raf-and-the-national-pigeon-service.php Elidemir, Gulistan. “Maria Dickin and the history of the People’s Dispensary for Sick Animals.” The Slice Whitechapel. 2/20/2022. https://whitechapellondon.co.uk/maria-dickin-pdsa-animal-charity-history/ Gardiner, Andrew. “The 'Dangerous' Women of Animal Welfare: How British Veterinary Medicine Went to the Dogs.” Social History of MedianeVol. 27, No. 3 pp. 466-487. https://archive.org/details/pubmed-PMC4109695/mode/1up Harrison, Brian. “Dickin, Maria Elisabeth.” Oxford Dictionary of National Biography. 11/23/2004. https://doi.org/10.1093/ref:odnb/53789 Historic England. “Heroic War Animals: The History of the PDSA Dickin Medal.” 12/21/2023. https://heritagecalling.com/2023/12/21/heroic-animals-at-war-the-history-of-the-pdsa-dickin-medal/ Imperial War Museums. “What Was The Yangtze Incident?” https://www.iwm.org.uk/history/what-was-the-yangtze-incident Kennedy, Maev. “Pet heroes honoured as cemetery reopens.” The Guardian. 12/14/2007. https://www.theguardian.com/artanddesign/2007/dec/14/art Long, David. “The animals' VC : for gallantry and devotion : the PDSA Dickin Medal - inspiring stories of bravery and courage.” Preface. 2012. Ministry of Defense. “Judy: The Dog who became a prisoner of war.” 7/24/2015. https://www.gov.uk/government/news/judy-the-dog-who-became-a-prisoner-of-war National Archives. “Judy, the only dog registered as a prisoner of war.” https://www.nationalarchives.gov.uk/explore-the-collection/stories/judy-the-only-dog-registered-as-a-prisoner-of-war/ National Archives. “Judy, the only dog registered as a prisoner of war.” https://www.nationalarchives.gov.uk/explore-the-collection/stories/judy-the-only-dog-registered-as-a-prisoner-of-war/ Naval History. “HMS AMETHYST INCIDENT, YANGTSE RIVER, April to May 1949.” https://www.naval-history.net/WXLG-Amethyst1949.htm “Rip.” https://www.pdsa.org.uk/media/5494/47646_dm-75_recipient-book_27_rip_digital.pdf “Sergeant Reckless – PDSA Dickin Medal 68.” https://www.pdsa.org.uk/what-we-do/animal-awards-programme/pdsa-dickin-medal/sergeant-reckless “Simon - PDSA Dickin Medal 54.” https://www.pdsa.org.uk/what-we-do/animal-awards-programme/pdsa-dickin-medal/simon “Story of Maria Dickin and PDSA.” Via YouTube. 10/8/2015. https://www.youtube.com/watch?v=3A1mMVDL4oo “White Vision.” https://www.pdsa.org.uk/what-we-do/animal-awards-programme/pdsa-dickin-medal/white-vision “Winkie: DM 1.” https://www.pdsa.org.uk/media/5491/47646_dm-75_recipient-book_01_winkie_digital.pdf Royal Pigeon Racing Association. “Pigeons In War.” https://www.rpra.org/pigeons-in-war/ S. Marine Corps Museum. “Sgt. Reckless - Marine War Horse.” https://www.usmcmuseum.com/uploads/6/0/3/6/60364049/sgt._reckless.pdf Wooster, Martin Morse. “Dickin Medal awards, a great philanthropic initiative.” Philanthropy Daily. https://philanthropydaily.com/dickin-medal-awards-a-great-philanthropic-initiative/ See omnystudio.com/listener for privacy information.
27 Aug 41min
