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  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    Ostrom John 0001Deinonychus.jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    Deinonychus 0006.jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    scf4327-583ostrom john 0001deinonych...jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    scf4327-076-deinonychus 0006.jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    scf4327-075_Deinonychus 0002.jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    Deinonychus 0001.jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    scf4327-075-deinonychus 0002.jpg
  • A postmortem reunion of rivals Cope and Marsh.  In their celebrated feud, known as the Great Bone Wars, 136 new species of dinosaurs were described.  This oil painting was made of alive sitting with Marsh.  The skull is Cope's.
    Cope 0004 Skull w Marsh.jpg
  • Professor John Ostrom of Yale University discovered Deinonychus, a pack-hunting dinosaur that terrorized victims during the Cretaceous with sicklelike claws on its feet.  Deinonychus means "terrible claw."
    Deinonychus 0002.jpg
  • Portrait of O.C. Marsh, founder of the Yale Peabody Museum and arch rival of Edward Drinker Cope.
    scf4327-183-marsh portrait 0001.jpg
  • Portrait of O.C. Marsh, (Rear Center) founder of the Yale Peabody Museum with his 1870 field crew to the West.
    scf4327-184-marsh portrait 0003field...jpg
  • Portrait of O.C. Marsh, (Rear Center) founder of the Yale Peabody Museum with his 1870 field crew to the West.
    scf4327-184_Marsh Portrait 0003field...jpg
  • Group Portrait with O.C. Marsh, third from right, founder of the Yale Peabody Museum with his field crew from the 1870's.
    Marsh Portrait 0005fieldcrw.jpg
  • Portrait of O.C. Marsh, founder of the Yale Peabody Museum and arch rival of Edward Drinker Cope.
    Marsh Portrait 0001.jpg
  • Portrait of O.C. Marsh, founder of the Yale Peabody Museum.
    scf4327-183_Marsh Portrait 0002.jpg
  • Portrait of O.C. Marsh, founder of the Yale Peabody Museum with Sitting Bull.
    Marsh Portrait 0004SittingB.jpg
  • Portrait of O.C. Marsh, (Rear Center) founder of the Yale Peabody Museum with his 1870 field crew to the West.
    Marsh Portrait 0003fieldcrw.jpg
  • Portrait of O.C. Marsh, founder of the Yale Peabody Museum.
    Marsh Portrait 0002.jpg
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