José Bonaparte

José Fernando Bonaparte (born June 14, 1928), is an Argentine paleontologist who discovered a plethora of South American dinosaurs and mentored a new generation of Argentine paleontologists like Rodolfo Coria. According to University of Pennsylvania paleontologist Peter Dodson, "almost singlehandedly he's responsible for Argentina becoming the sixth country in the world in kinds of dinosaurs".

Bonaparte is the son of an Italian sailor, with no close connection to the Napoleon Bonaparte family. He was born in Rosario, Santa Fe, Argentina, and grew up in Mercedes, Buenos Aires. Despite a lack of formal training in paleontology, he started collecting fossils with many friends at an early age, and created a museum in their home town. He later became the curator of the National University of Tucumán, where he was named Doctor Honoris causa in 1976, and then in the late 1970s became a senior scientist at the Museo Argentino de Ciencias Naturales in Buenos Aires. He is reportedly hard working, stubborn, and has a strong personality, even violent

The supercontinent of Pangea split into Laurasia in the north and Gondwana in the south during the Jurassic. During the Cretaceous, South America pulled away from the rest of Gondwana. The division caused a divergence between northern biota and the southern biota, and the southern animals appear strange to those used to the more northerly fauna. Bonaparte's finds illustrate this divergence, and caused paleontologist Robert Bakker to dub him the "Master of the Mesozoic".

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