Stuff You Missed in History Class

Fawcett’s life has invited controversy and speculation, because he was a man who did a mix of great and shady things. Part one covers his early life, marriage, military service, and early visits to South America.
Research:
Biello, David. “Ancient Amazon Actually Highly Urbanized.” Scientific American. August 28, 2008.
“The Brazilian Indigenous People.” Survival International. https://www.survivalinternational.org/peoples/brazilian
Britannica Editors. "Mato Grosso". Encyclopedia Britannica, 10 Jan. 2026, https://www.britannica.com/place/Mato-Grosso
Canal-Soler, Jordi. “The man who died searching for the Lost City of Z.” National geographic. June 13, 2024. https://www.nationalgeographic.com/history/article/percy-fawcett-search-lost-city-of-z
Fawcett, Lt-Col P.H. “Exploration Fawcett.” Hutchinson & Co. London. 1953.
“Fawcett’s Bones Believed Found; Explorer Lost in Brazil Jungle in ’25.” New York Times. April 4, 1951. https://timesmachine.nytimes.com/timesmachine/1951/04/04/82103136.pdf?pdf_redirect=true&ip=0
“Fawcett Mystery Unsolved.” New York Times. Nov. 5, 1951. https://timesmachine.nytimes.com/timesmachine/1951/11/05/81775504.pdf?pdf_redirect=true&ip=0
Grann, David. “The Lost City of Z: A Tale of Deadly Obsession in the Amazon.” Doubleday. 2009.
“Hidden City Is the Goal.” Los Angeles Times. Jan 12, 1925. https://www.newspapers.com/image/380427463/
Hutchison, Percy. “Hunting for Lost Explorers in the Jungles of Brazil.” New York Times. Jan. 26, 1930. https://timesmachine.nytimes.com/timesmachine/1930/01/26/96041140.pdf?pdf_redirect=true&ip=0
Moutinho, Sofia. “A Foundation of Trust.” Science. Nov. 6, 2025. https://www.science.org/content/article/unearth-their-past-amazonian-people-turn-language-white-men-understand
“'Lost' report exposes Brazilian Indian genocide.” Survival International. April 25, 2013. https://www.survivalinternational.org/news/9191
“On Colonel Fawcett’s Train in Unknown Brazil by Air and River.” Illustrated London News. Sep 10, 1932. https://www.newspapers.com/image/1143308620/?match=2&terms=%22Vincenzo%20Petrullo%22&search-id=72603589-1171-4291-b93b-9c5eeffb7d90&search-rank=1
“Percy Fawcett.” Spike Island. https://www.spikeislandcork.ie/percy-fawcett/
“Lieutenant Colonel Percy Harrison Fawcett DSO, (MiD).” Tiegnmouth & Shaldon Remembers WW1. Teign Heritage. https://www.teignheritageworldwar.org.uk/index.php/lieutenant-colonel-percy-harrison-fawcett
Pezzati, Alessandro. "The Lost Explorer." Expedition Magazine59, no. 2. September, 2017. https://www.penn.museum/sites/expedition/the-lost-explorer/
Potts, Mary Anne. “Finding Machu Picchu: A Look at Explorer Hiram Bingham, A Real-Life Indiana Jones.” National Geographic. May 26, 2010. https://www.nationalgeographic.com/adventure/article/machu-picchu-hiram-bingham
“Remembering Col. Fawcett in WWI.” Torquay Museum. Nov. 4, 2021. https://torquaymuseum.org/news/view/remembering-col-fawcett-in-wwi
Ribeiro, Taisa Alves and André Luiz Alves Moreno. “Towards an Archaeology of the Written Culture of Chapada Diamantina-BA: The Case of Manuscript 512.” Garimpus: Journal of Languages, Education and Culture in Chapada Diamantina. Vol. 2, no. 1. 2021. https://www.revistas.uneb.br/garimpus/article/view/8740
“Son of Lost Explorer Says Bones Are Not Fawcett's.” New York Times. Nov. 4, 1951. https://timesmachine.nytimes.com/timesmachine/1951/11/04/96221387.html?pageNumber=66
Squires, Cole. “TRANSCRIPTION/TRANSLATION NOTES (Manuscript 512).” Harvard. https://people.math.harvard.edu/~knill/teaching/mathe320_2021/exhibits/manuscript512/translation.pdf
“Sustainable Mato Grosso.” Amazon Fund. https://www.amazonfund.gov.br/en/projeto/Sustainable-Mato-Grosso/
“Swindon Woman Awaits News of Colonel Fawcett.” Swindon Advertiser. April 13, 1932. https://www.newspapers.com/image/1209686028/?match=2&terms=%22percy%20fawcett%22&search-id=667a33c0-fac9-457e-bcf9-349a1d9b7e9f&search-rank=2
“Why do they hide?” Survival International. https://www.survivalinternational.org/articles/3104-why-do-they-hide

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This 2021 episode covers a period of time when the milk supply in New York was anything but appetizing and wholesome – it was often deadly. But efforts to address the problem were blocked by corrupt officials.
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Tracy shares a story of looking for an article in the wrong historical journal. Holly reads a section of the U.S. flag code, and waxes rhapsodic about toys.
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Beulah was such a prolific inventor in the early 20th century that the press nicknamed her Lady Edison. She was an outlier as an unmarried woman who got her foot in the door as an inventor by pounding the pavement in 1920s New York.
Research:
Bengtson, Harlan H. “Beulah Louise Henry.” EBSCO. 2021. https://www.ebsco.com/research-starters/history/beulah-louise-henry
“Beulah Louise Henry.” National Inventors Hall of Fame. https://www.invent.org/inductees/beulah-louise-henry
Dick, Gerry. “Beulah henry Sits in Chiffon Laboratory Inventing Almost Everything But Excuses.” The Rockford Argus. April 8. 1937. https://www.newspapers.com/image/531344097/?match=1&terms=%22Beulah%20Henry%22&search-id=22e1b59c-1edb-4d9c-895d-9454b6343852&search-rank=7
Hart, Alicia. “Meet Beulah henry, the Inventor.” The Salisbury Post. Sept. 1, 1955. https://www.newspapers.com/image/1026874682/?match=1&terms=%22Beulah%20Henry%22&search-id=be53d62d-90f0-4084-8868-9b0e0a4dbb37&search-rank=3
Henry, B.L. “DOUBLE CHAIN STITCH SEWING MACHINE.” April 21, 1936. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-2037901-A?source=USPAT&requestToken=eyJzdWIiOiI4NTA2NjMxNi1kZTRmLTRlNzQtOGJhYS1kYTRjMzhhMGZkNmYiLCJ2ZXIiOiJjY2M5MGE0NS02ZGRhLTQ5YTAtOTQzZS1lOTIyMzBhMjI0MjEiLCJleHAiOjB9
Henry, B.L. “DUPLICATING ATTACHMENT FOR TYPEWRITERS.” Aug. 30, 1932. https://patentimages.storage.googleapis.com/e7/a5/7d/a7e3bbcd163f09/US1874749.pdf
Henry, B.L. “Hand Bag.” U.S. Patent Office. May 27, 1913. https://patentimages.storage.googleapis.com/0a/6d/16/4d8139d4025580/US1063031.pdf
Henry, B.L. “Ice Cream Freezer.” U.S. Patent Office. Sept. 3, 1912. https://patentimages.storage.googleapis.com/dc/d8/5c/1c61ca65b0339b/US1037762.pdf
Henry, B.L. “Indicator Top.” U.S. Patent Office. March 2, 1926. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-1575264-A?source=USPAT&requestToken=eyJzdWIiOiIxMzU2NTdlNi03OWNkLTQyZGUtYTgwNi0yYzRhYmM3OGU5OGIiLCJ2ZXIiOiI2MzIxNTg0Yy1iOTZjLTRhYmItOTZhNC04OGUxNTI3ODY3NjUiLCJleHAiOjB9
Henry, B.L. “Parasol.” U.S. Patent Office. Nov. 18, 1913. https://patentimages.storage.googleapis.com/6e/fe/25/726c19533c2b0f/US1079240.pdf
Henry, B.L. “Parasol.” U.S. Patent Office. May 6, 1924. https://patentimages.storage.googleapis.com/5c/ad/88/868b750b1d9c44/US1492725.pdf
Henry, B.L. “Radio Doll.” U.S. Patent Office. Dec. 8, 1925. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-1565145-A?source=USPAT&requestToken=eyJzdWIiOiJhMTUwM2E5YS04MzYzLTRmYTgtYjRmOS1lZDU5OGIyMDllNGEiLCJ2ZXIiOiI2MjZkN2M5OS05OGVkLTQzY2EtOGE2YS02NTU2ZWIzYzY0MzgiLCJleHAiOjB9
Henry, B.L. “SEAM AND METHOD OF FORMING SEAMS.” U.S. Patent Office. Feb 4. 1941. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-2230896-A?source=USPAT&requestToken=eyJzdWIiOiI4NTA2NjMxNi1kZTRmLTRlNzQtOGJhYS1kYTRjMzhhMGZkNmYiLCJ2ZXIiOiJjY2M5MGE0NS02ZGRhLTQ5YTAtOTQzZS1lOTIyMzBhMjI0MjEiLCJleHAiOjB9
Henry, B.L. “Simulated Dispensing Device.” U.S. Patent Office. Dec. 11, 1951. https://patentimages.storage.googleapis.com/6d/80/75/d6a9df36c75df0/US2577849.pdf
Henry, B.L. “Water Sport Apparatus.” U.S. Patent Office. August 16, 1927. https://ppubs.uspto.gov/api/pdf/downloadPdf/US-1639607-A?source=USPAT&requestToken=eyJzdWIiOiIxMzU2NTdlNi03OWNkLTQyZGUtYTgwNi0yYzRhYmM3OGU5OGIiLCJ2ZXIiOiI2MzIxNTg0Yy1iOTZjLTRhYmItOTZhNC04OGUxNTI3ODY3NjUiLCJleHAiOjB9
Jones, Stacy. “A Single Unit Serves for Mailing and Also Returning.” New York Times. Jan. 27, 1962. https://timesmachine.nytimes.com/timesmachine/1962/01/27/90129637.pdf?pdf_redirect=true&ip=0
LaRiccia, Dante. “Electricity Consumption: Culture, Gender and Power.” Energy History Online. Yale University. https://energyhistory.yale.edu/electricity-consumption-culture-gender-and-power/
Mydans, Seth. “Overlooked No More: Beulah Henry, Inventor With an Endless Imagination.” New York Times. March 14, 2025. https://www.nytimes.com/2025/03/14/obituaries/beulah-henry-overlooked.html
“Synesthesia.” Cleveland Clinic. May 3, 2023. https://my.clevelandclinic.org/health/symptoms/24995-synesthesia
“"There's a better way of doing that." USPTO. https://www.uspto.gov/learning-and-resources/journeys-innovation/historical-stories/theres-better-way-doing
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Mary Mallon became known as Typhoid Mary in the early 20th century. She has often been vilified in in modern references, though her story is actually quite complex.
Research:
"Mary Mallon." Encyclopedia of World Biography Online, vol. 21, Gale, 2001. Gale In Context: Opposing Viewpoints, link.gale.com/apps/doc/K1631007781/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=23f34010. Accessed 3 Aug. 2026.
Brooks, J. “The sad and tragic life of Typhoid Mary.” CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne vol. 154,6 (1996): 915-6. https://pmc.ncbi.nlm.nih.gov/articles/PMC1487781/
Brooks, Janet. “The Sad and Tragic Life of Typhoid Mary.” Canadian Medical Association Journal. Vol. 154, No. 6. 3/15/1996.
Cutter, Laura. “Typhoid Mary/Mary Mallon: An Asymptomatic Carrier of Salmonella typhi.” National Museum of Health and Medicine. 6/18/2020. https://medicalmuseum.health.mil/micrograph/index.cfm/posts/2020/typhoid_mary_mary_mallon_salmonella
“Research Starter: Typhoid Mary.” https://www.ebsco.com/research-starters/life-sciences/typhoid-mary
Faherty, Anna. “The cook who became a pariah.” Wellcome Collection. 6/29/2017. https://wellcomecollection.org/stories/WsT4Ex8AAHruGfW_
Leavitt, Judith Walzer. “‘Typhoid Mary’ Strikes Back: Bacteriological Theory and Practice in Early Twentieth-Century Public Health.” Isis , Dec., 1992, Vol. 83, No. 4 (Dec., 1992). Via JSTOR. https://www.jstor.org/stable/234261
Leavitt, Judith Walzer. "Typhoid Mary: Captive to the Public Health." Beacon Press. 1997.
Mallon, Mary. Letter to Dr. William H. Park. June 1909. Via PBS NOVA. https://www.pbs.org/wgbh/nova/typhoid/letter.html
Marineli, Filio et al. “Mary Mallon (1869-1938) and the history of typhoid fever.” Annals of gastroenterology vol. 26,2 (2013): 132-134. https://pmc.ncbi.nlm.nih.gov/articles/PMC3959940/
Mason, W.P. “Typhoid Mary.” Science. Vol. 30, No. 760. 7/23/1909. Via JSTOR. https://www.jstor.org/stable/1635174
Murtagh, Joseh. “David DeKok presents gripping, heartbreaking view into Ithaca’s 1903 typhoid outbreak.” Ithica.com. 4/11/2012. https://www.ithaca.com/visit_ithaca/david-dekok-presents-gripping-heartbreaking-view-into-ithaca-s-1903-typhoid-outbreak/article_943a556c-6b6d-11e0-92b9-001cc4c002e0.html
New York Times. “Hospital Epidemic from Typhoid Mary.” 3/28/1915.
New York Times. “HOSPITAL EPIDEMIC FROM TYPHOID MARY; Germ Carrier, Cooking Under False Name, Spread Disease in Sloane Institution. CAUGHT HIDING IN QUEENS Blamed for Twenty-five Cases of Fever Among Doctors and Nurses -- Now In Quarantine.” 2/28/1915. https://www.nytimes.com/1915/03/28/archives/hospital-epidemic-from-typhoid-mary-germ-carrier-cooking-under.html?eafs_enabled=false
Ogan, ML. “Immunization in a Typhoid Outbreak in the Sloane Hospital for Women.” New York Medical Journal. 3/27/1915. 609-610.
Othman, Amani and William W. Darrow. “The Wall, the Ban, and the Objectification of Women.” The International Journal of Social Quality, Winter 2019, Vol. 9, No. 2 (Winter 2019). https://www.jstor.org/stable/10.2307/26948452
Poczai P and Karvalics LZ (2022) The little-known history of cleanliness and the forgotten pioneers of handwashing. Front. Public Health 10:979464. doi: 10.3389/fpubh.2022.979464
Prabhu, Maya. “The tragedy of Typhoid Mary.” Gavi. 6/18/2021. https://www.gavi.org/vaccineswork/tragedy-typhoid-mary
Pusey, Allen. “Precedents.” ABA Journal. Vol. 104, No. 3. March 2018. Via JSTOR. https://www.jstor.org/stable/10.2307/26516280
Sawyer, Wilbur. “The Efficiency of Various Anti-Typhoid Vaccines.” Journal of the American Medical Association. Vol. LXV, No. 17. 10/13/2015.
Soper, G A. “The Curious Career of Typhoid Mary.” Bulletin of the New York Academy of Medicine vol. 15,10 (1939): 698-712. https://pmc.ncbi.nlm.nih.gov/articles/PMC1911442/
Soper, George A. “The Curious Career of Typhoid Mary.” Read May 10, 1939 before the Section of Historical and Cultural Medicine. Bulletin of the New York Academy of Medicine. Vol. 15, No. 10. October 1939. https://pmc.ncbi.nlm.nih.gov/articles/PMC1911442/
Soper, George A. “Typhoid Mary.” The Military Surgeon. Vol. XLV. No. 1. July 1919.
Soper, George. A. “The Work of a Chronic Typhoid Germ Distributor.” Journal of the American Medical Association. Vol. XLVIII. No. 24. 6/15/1907.
Teicher, Amir. “Typhoid Mary Was Not a Super-Spreader (and Super-Spreaders Are Not "Typhoid Marys").” American journal of public health vol. 113,12 (2023): 1249-1253. doi:10.2105/AJPH.2023.307434
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