Sloppy Joe, Hot Brown, and the Reuben are all well-known sandwiches, and they are all named after people. Though the specific person is argued in two of these cases. 
Research:

“Bechamel.” Oxford Reference. https://www.oxfordreference.com/display/10.1093/oi/authority.20110803095454669
“Bechamel Sauce.” ChefIn. https://chefin.com.au/dictionary/bechamel-sauce/#:~:text=History%20of%20b%C3%A9chamel%20sauce,(wife%20of%20Henry%20II).
Beck, Katherine. “The Controversial Origins Of The Sloppy Joe.” Tasting Table. Jan. 26, 2023. https://www.tastingtable.com/968736/the-controversial-origins-of-the-sloppy-joe/
Blitz, Matt. “The True Story of Ernest Hemingway’s Favorite Bar. Food &amp; Wine. June 22, 2017. https://www.foodandwine.com/travel/bars/ernest-hemingway-favorite-bar-true-story
Fix, John. “Papa Wrote Here.” The Miami News. May 12, 1962. https://www.newspapers.com/image/302005791/?terms=sloppy%20joe&amp;match=1
“Hot Brown Sandwich History and Recipe.” What’s Cooking America. https://whatscookingamerica.net/history/sandwiches/hotbrownsandwich.htm
“The Brown Hotel.” Historic Hotels of America. https://www.historichotels.org/us/hotels-resorts/the-brown-hotel/history.php#:~:text=In%20the%20early%201980s%2C%20the,obtained%20the%20building%20in%202006.
“J. Graham Brown.” The Courier-Journal. August 8, 1927. https://www.newspapers.com/image/107676260/?terms=%22james%20graham%20brown%22&amp;match=1
Kral, George. “How the Gooey, Cheesy Hot Brown Became a Kentucky Icon.” Eater. Jan. 3, 2019. https://www.eater.com/2019/1/3/18165719/kentucky-hot-brown-history-recipe-brown-hotel-louisville
“LOUISVILLE’S CULINARY ICON, THE HOT BROWN.” The Brown Hotel. https://www.brownhotel.com/dining/hot-brown
Manoff, Arnold. “Reuben and His Restaurant: The Lore of a Sandwich.” Federal Writers Project. 1938. https://www.loc.gov/item/wpalh001447/
Martinelli, Katherine. “True to Its Design, the Origin of the Reuben Sandwich Is Messy, Too.” Eat This, Not That! January 16, 2019. https://www.eatthis.com/reuben-sandwich-origin/
Matte, Lisa Curran. “The Hotly Contested Origin Of The Reuben Sandwich.” Tasting Table. Nov. 13, 2022. https://www.tastingtable.com/1095929/the-hotly-contested-origin-of-the-reuben-sandwich
Monaco, Emily. “The Untold Truth of Sloppy Joes.” Mashed. March 28, 2023. https://www.mashed.com/270915/the-untold-truth-of-sloppy-joes/
“National Sloppy Joe Day.” National Day Calendar. https://www.nationaldaycalendar.com/national-day/national-sloppy-joe-day-march-18
Ngo, Hope. “What Is Béchamel Sauce And What Is It Used For?” Mashed. June 2, 2021. https://www.mashed.com/413609/what-is-bechamel-sauce-and-what-is-it-used-for/
“Pizza Sauce Brings Italian Food to Your Table.” The Sacramento Bee. Dec. 16, 1970. https://www.newspapers.com/image/619758051/?terms=sloppy%20joe&amp;match=1
“Philanthropist J. Graham Brown Dies.” The Courier-Journal. March 31, 1969. https://www.newspapers.com/

Eponymous Foods – Sandwiches Edition

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