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- John Bell Hatcher was an American paleontologist and fossil hunter best known for discovering Torosaurus. Born in Cooperstown, Illinois, his farmer father moved the family when Hatcher was young to Cooper, Iowa, where he received his early education. He first took an interest in paleontology while working as a coal miner to earn money for college. He matriculated at Grinnell College in the autumn of 1880, then after one term transferred to Yale University. Before graduating from Yale’s Sheffield Scientific School in 1884, he showed a small collection he had made of Carboniferous fossils to George Jarvis Brush, who later introduced him to the paleontologist Othniel C. Marsh. Hatcher became an assistant to Marsh until 1893, and he excelled in fossil fieldwork throughout the Western states. In 1889 near Lusk, Wyoming Hatcher excavated the first fossil remains of Torosaurus. Hatcher was eventually unhappy at Yale, especially because of Marsh's policy of not allowing assistants to publish on their own. In 1890, he negotiated with Henry Fairfield Osborn for a position at the American Museum of Natural History, but nothing came of it. In 1893 he began a seven-year stint at Princeton University as curator of vertebrate paleontology and assistant in geology. In 1896, he conceived of, planned and secured the greater part of the funding for three expeditions to Patagonia, as well as the idea of publishing the results of the expeditions with funding from J. Pierpont Morgan. The trips were chronicled in the Princeton University Expeditions to Patagonia, 1896-1899. Because of the similarity of the flora and fauna in Patagonia and Australia, he concluded that the two were once connected by land. Beginning in 1900 Hatcher was hired as curator of paleontology and osteology for the Carnegie Museum of Natural History. He was responsible for the scientific investigation and display of Diplodocus carnegii, a species named by Hatcher for his patron Andrew Carnegie (1835–1919), the Scottish-American industrialist. His monograph on the find was published in 1901 as Diplodocus Marsh: Its Osteology, Taxonomy, and Probable Habits, with a Restoration of the Skeleton. Hatcher died in Pittsburgh, Pennsylvania of typhoid fever while completing a monograph on Ceratopsia begun by Marsh, who had died a few years earlier. The work was finally completed by Richard Swann Lull in 1907. Hatcher married Anna Isaackson of Long Pine, Nebraska on October 10, 1887 at Ainsworth, Nebraska. They had four children. He is interred in Pittsburgh's Homewood Cemetery. For 91 years his grave went unmarked (his widow and children moved back to Iowa after his death). However, at the 1995 annual meeting in Pittsburgh of the Society of Vertebrate Paleontology, some members bought him a headstone engraved with his name and the sandblasted image of Torosaurus.
- John Bell Hatcher fou un paleontòleg i caçador de fòssils conegut principalment pel seu descobriment del torosaure.
- John Bell Hatcher fut un des grands chasseurs de dinosaures de la fin du XIX siècle. Né dans l’Illinois, son père, fermier, lui fait son éducation car Hatcher était jugé trop fragile pour aller à l'école. Il travaille plus tard dans une mine de charbon où il commence à faire ses premières découvertes. Avec ses économies, il se paie des études de paléontologie à l’université de Yale. Son diplôme en poche, il est embauché par Othniel Charles Marsh (1831-1899), l'un des plus grands paléontologues américains. Ses découvertes sont si nombreuses qu’il ne tarde pas à faire des envieux. Certains pensaient qu’il était doué d'un sixième sens. Or la raison était qu’Hatcher savait où et comment chercher les fossiles. Il utilisait aussi une technique consistant à placer des fourmilières dans les couches fossilifères pour que les fourmis nettoient le sol autour des ossements. En 1886, en étudiant les couches géologiques de la rivière Judith dans le Montana, il découvre un étrange crâne qu’il envoie à Marsh. Celui-ci le nomme cératopid, avant de le renommer Triceratops. Une espèce sera d'ailleurs nommée en l'honneur de Hatcher, le Triceratops hatcheri. Épuisé par des années de travail très dur, Hatcher meurt du typhus à l'âge de 43 ans.
- John Bell Hatcher – amerykański paleontolog. Zyskał sławę jako odkrywca roślinożernych dinozaurów triceratopsów. Urodził się w Cooperstown, stan Illinois, Na jesieni 1880 został studentem Grinnell College w stanie Iowa, skąd przeniósł się do Yale University, gdzie uczył się paleontologii pod kierunkiem samego Othniela Charlesa Marsha, który zaprosił go do swoich wykopalisk w stanie Nebraska. Przedsięwziął kila wypraw do Patagonii w Ameryce Południowej w latach 1896-1899 po których wydał pracę "Bone Hunters in Patagonia".
- Джон Белл Хетчер — американский палеонтолог, получивший наибольшую известность благодаря открытию трицератопсов.
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- John Bell Hatcher was an American paleontologist and fossil hunter best known for discovering Torosaurus. Born in Cooperstown, Illinois, his farmer father moved the family when Hatcher was young to Cooper, Iowa, where he received his early education. He first took an interest in paleontology while working as a coal miner to earn money for college. He matriculated at Grinnell College in the autumn of 1880, then after one term transferred to Yale University.
- John Bell Hatcher fou un paleontòleg i caçador de fòssils conegut principalment pel seu descobriment del torosaure.
- John Bell Hatcher fut un des grands chasseurs de dinosaures de la fin du XIX siècle. Né dans l’Illinois, son père, fermier, lui fait son éducation car Hatcher était jugé trop fragile pour aller à l'école. Il travaille plus tard dans une mine de charbon où il commence à faire ses premières découvertes. Avec ses économies, il se paie des études de paléontologie à l’université de Yale.
- John Bell Hatcher – amerykański paleontolog. Zyskał sławę jako odkrywca roślinożernych dinozaurów triceratopsów. Urodził się w Cooperstown, stan Illinois, Na jesieni 1880 został studentem Grinnell College w stanie Iowa, skąd przeniósł się do Yale University, gdzie uczył się paleontologii pod kierunkiem samego Othniela Charlesa Marsha, który zaprosił go do swoich wykopalisk w stanie Nebraska.
- Джон Белл Хетчер — американский палеонтолог, получивший наибольшую известность благодаря открытию трицератопсов.
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