Maria Ylagan Orosa was born in the Philippines, and she spent her life working to eliminate food insecurity there. She revived the use of locally available ingredients, and wrote recipes that are found in Filipino cuisine today.  Research: "Maria Orosa." Encyclopedia of World Biography Online, Gale, 2023. Gale In Context: U.S. History, link.gale.com/apps/doc/EQFOIO615521998/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=8d615f86. Accessed 17 Apr. 2024. Bentley, Amy. “How Ketchup Revolutionized How Food Is Grown, Processed and Regulated.” Smithsonian. 6/4/2018. https://www.smithsonianmag.com/innovation/how-ketchup-revolutionized-how-food-is-grown-processed-regulated-180969230/ Butler, Stephanie. “The Surprisingly Ancient History of Ketchup.” History. 8/15/2023. https://www.history.com/news/ketchup-surprising-ancient-history Campbell, Olivia. “Fighting Colonialism with Food.” Beyond Curie. 3/20/2022. https://oliviacampbell.substack.com/p/fighting-colonialism-with-food Elias, Megan. “The Palate of Power: Americans, Food and the Philippines after the Spanish-American War.” Material Culture, Vol. 46, No. 1, Special Issue: Food as Material Culture (Spring 2014). Via JSTOR. https://www.jstor.org/stable/24397643 Gandhi, Lakshmi. “Ketchup: The All-American Condiment That Comes From Asia.” 12/3/2013. Code Switch. https://www.npr.org/sections/codeswitch/2013/12/02/248195661/ketchup-the-all-american-condiment-that-comes-from-asia Garcia, Evelyn del Rosario and Mario E. Orosa. “The Last Days of Maria Y. Orosa.” http://orosa.org/The%20Last%20Days%20of%20Maria%20Y.%20Orosa.pdf "Grave marker revives interest in WWII heroine Maria Orosa." Philippines Daily Inquirer [Makati City, Philippines], 16 Feb. 2020, p. NA. Gale In Context: Environmental Studies, link.gale.com/apps/doc/A614090024/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=be1e4b8d. Accessed 17 Apr. 2024. Lady Science. “Maria Ylagan Orosa and the Chemistry of Resistance.” 2020. https://www.ladyscience.com/features/maria-ylagan-orosa-chemistry-of-resistance "Maria Y. Orosa: Food hero." Philippines Daily Inquirer [Makati City, Philippines], 21 Dec. 2022, p. NA. Gale In Context: Environmental Studies, link.gale.com/apps/doc/A730825601/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=813ad541. Accessed 17 Apr. 2024. "Maria Y. Orosa: In peace and war." Manila Bulletin, 11 Feb. 2005. Gale In Context: Environmental Studies, link.gale.com/apps/doc/A128362909/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=fb5c5ed3. Accessed 17 Apr. 2024. Mydans, Seth. “Overlooked No More: Maria Orosa, Inventor of Banana Ketchup.” New York Times. 9/29/2022. https://www.nytimes.com/2022/09/29/obituaries/maria-orosa-overlooked.html National World War II Museum. “July 4, 1946: The Philippines Gained Independence from the United States.” 7/2/2021. https://www.nationalww2museum.org/war/articles/july-4-1946-philippines-independence Orosa del Rosario, Helen. “The Recipes of Maria Y. Orosa.” UP Home Economics Foundation. 1970. Pan-Pacific Union. “Food Preservation in the Philippines.” Bulletin, Issues 63-130. https://books.google.com/books?id=yLcVAQAAIAAJ Rampe, Amelia. “She Invented Banana Ketchup & Saved Thousands of Lives. Why Have We Never Heard of Her?” Food52. 3/16/2022. https://food52.com/blog/24700-maria-orosa-profile Republic of the Philippines National Nutrition Council. “The Filipina Nutrition Heroine: Maria Y. Orosa.” 3/2/2020. https://www.nnc.gov.ph/regional-offices/mindanao/region-xi-davao-region/3644-the-filipina-nutrition-heroine-maria-y-orosa Smith, Eliza. “The compleat housewife: or, Accomplish'd gentlewoman's companion.” Williamsburg [Va.]:: Printed and sold by William Parks., 1742. https://quod.lib.umich.edu/cgi/t/text/text-idx?cc=evans;c=evans;idno=N04107.0001.001;node=N04107.0001.001:4;rgn=div1;view=text Springate, Megan E. “Maria Ylagan Orosa.” National Parks Service. https://www.nps.gov/articles/000/maria-ylagan-orosa.htm The Phillipine Herald, Volume 2, Issues 1-3. https://books.google.com/books?id=T2sWAQAAIAAJ&pg=RA2-PA24&dq=maria+orosa&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwjk99T7-MuFAxXsrokEHb-MBUA4ChDoAXoECAYQAg#v=onepage&q=maria%20orosa&f=false United States. Bureau of Agricultural Chemistry and Engineering. “Information on soybean milk.” USDA. 1936. https://archive.org/details/CAT31009527 Wester, Peter Johnson. “The Food Plants of the Philippines.” The Philippines Bureau of Printing, 1925. https://books.google.com/books?id=o9FUbKMc4AgC Wiggins, Jasmine. “How Was Ketchup Invented?” National Geographic. 4/21/2024. https://www.nationalgeographic.com/culture/article/how-was-ketchup-invented Zuras, Matthew. “A History of Ketchup, America’s Favorite Condiment.” Epicurious. 6/30/2023. https://www.epicurious.com/ingredients/history-of-ketchup Chuong, Dang Van. “Education in Southeast Asia From the Second Half of the 19th Century to the Early 20th Century.” US-China Education Review B, April 2018, Vol. 8, No. 4. See omnystudio.com/listener for privacy information.