Carlos Juan Finlay was a Cuban doctor who did a lot of work to understand the spread of Yellow Fever. But Walter Reed got most of the credit.

Research:

• American Experience. “Carlos Finlay (1833-1915).” From The Great Fever. PBS. https://www.pbs.org/wgbh/americanexperience/features/fever-carlos-finlay/
• Berenbrok, Dorothy E., "Latin Heritage Month. Carlos Juan Finlay: Outrageous, Courageous and Correct" (2015). Posters: Jefferson History. 3. https://jdc.jefferson.edu/jeffhistoryposters/3
• "Carlos Juan Finlay." Encyclopedia of World Biography Online, Gale, 1998. Gale In Context: Opposing Viewpoints, link.gale.com/apps/doc/K1631002194/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=bfeecc25. Accessed 29 Apr. 2026.
• Chaves-Carballo, Enrique. “Carlos J. Finlay: The mosquito man.” Hektoen International. 11/2/2020. https://hekint.org/2020/11/02/carlos-j-finlay-the-mosquito-man/
• Corbitt, Duvon C. “Carlos J. Finlay, Cuban Physician.” The Hispanic American Historical Review, Vol. 45, No. 3 (Aug., 1965). Via JSTOR. https://www.jstor.org/stable/2511751
• Del Regato, Juan A. “Carlos Juan Finlay (1833-1915).” Journal of Public Health Policy , 2001, Vol. 22, No. 1 (2001). Via JSTOR. https://www.jstor.org/stable/3343556
• Faerstein, Eduardoa; Winkelstein, Warren Jrb. Carlos Juan Finlay: Rejected, Respected, and Right. Epidemiology 21(1):p 158, January 2010. | DOI: 10.1097/EDE.0b013e3181c308e0
• Ferreira Moreno, Víctor Guillermo. “Evocation to the Dr. Carlos J. Finlay Barres on the centennial of his death.” Colombia medica (Cali, Colombia) vol. 47,1 63-6. 30 Mar. 2016
• Finlay, Carlos J. “The Mosquito Hypothetically Considered as the Agent of Transmission of Yellow Fever.” Read before the Royal Academy of Medical, Physical and Natural Sciences Session of August 14th, 1881. https://archive.org/details/b33448541/page/590/mode/1up
• Finlay, Carlos Juan. “Trabajos selectos del Dr. Carlos J. Finlay. Selected papers of Dr. Carlos J. Finlay.” Habana. 1912. https://archive.org/details/trabajosselectos00finl
• Finlay, Charles. “Inoculations for Yellow Fever by Means of Contaminated Mosquitoes.” Published in The American Journal of the Medical Sciences, n.s. 102: 264-268, 1891. https://archive.org/details/b33445242/page/n4/mode/1up
• Finlay, Charles. “Yellow Fever: Its ‘Transmission by Means of the Culex Mosquito.” Published in The American Journal of the Medical Sciences, n.s. 92: 395-409, 1886. https://archive.org/details/b33435698/page/613/mode/1up
• Palmer, Steven. “A Cuban Scientist Between Empires: Peripheral Vision on Race and Tropical Medicine.” Canadian Journal of Latin American and Caribbean Studies / Revue canadienne desétudes latino-américaines et caraïbes, Vol. 35, No. 69, Special Issue: Landscapes of LatinAmerican Health, 1870-1970. Via JSTOR. https://www.jstor.org/stable/41800498
• Spears, Ellen Griffith and Rosa López-Oceguera. “Carlos Juan Finlay, William Gorgas, and Walter Reed and the U.S. Army Yellow Fever Controversy: Competing Historical Memories.” Alabama Review The University of Alabama Press. Volume 74, Number 1, January 2021. https://doi.org/10.1353/ala.2021.0011
• Stepan, Nancy. “The Interplay between Socio-Economic Factors and Medical Science: Yellow Fever Research, Cuba and the United States.” Social Studies of Science , Nov., 1978, Vol. 8, No. 4 (Nov., 1978). Via JSTOR. http://www.jstor.com/stable/284817
• Thomas Jefferson University. “10 Notable Jefferson Alumni of the Past.” https://library.jefferson.edu/archives/exhibits/notable_alumni/juan_carlos_finlay.cfm
• Tone, John Lawrence. (2002) “How the mosquito (man) liberated Cuba.” History and Technology, 18:4, 277-308, DOI: 10.1080/07341512.2002.11417735
• “Carlos J. Finlay.” 5/16/2023. https://www.unesco.org/en/prizes/carlos-j-finlay/about
• Woodall, Jack. "Yellow Fever." Infectious Diseases: In Context, edited by Brenda Wilmoth Lerner and K. Lee Lerner, vol. 2, Gale, 2008, pp. 925-931. In Context Series. Gale In Context: Opposing Viewpoints, link.gale.com/apps/doc/CX3045200265/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=bf646a26. Accessed 29 Apr. 2026.