John Ostrom
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John Harold Ostrom was an American paleontologist who revolutionized the modern understanding of dinosaurs. Ostrom's work inspired what his pupil Robert T. Bakker has termed a "dinosaur renaissance".
John Ostrom and Deinonychus skeleton cast. Photo courtesy Yale University.
Skeleton of the hadrosaur Anatosaurus (now E. annectens) paratype YPM 2182 at the Yale University Museum showing its upright posture.
Ostromia crassipes, previously known as the Haarlem Archaeopteryx
Robert T. Bakker
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Robert Thomas Bakker is an American paleontologist who helped reshape modern theories about dinosaurs, particularly by adding support to the theory that some dinosaurs were endothermic (warm-blooded). Along with his mentor John Ostrom, Bakker was responsible for initiating the ongoing "dinosaur renaissance" in paleontological studies, beginning with Bakker's article "Dinosaur Renaissance" in the April 1975 issue of Scientific American. His specialty is the ecological context and behavior of dinosaurs.
Bakker (right) teaching at the HMNS in 2008
Mounted Gorgosaurus skeleton with several bone injuries, from the "Dinosaur Mummy: CSI" exhibit at the HMNS, Bakker on the right
Bakker lecturing in 2011