John Ruben

John A. Ruben is a researcher in Zoology and Vertebrate paleontology at the Oregon State University in Corvallis. Much of his published research is focused on studying the respiratory system in birds, in order to contradict the theory of theropodan ancestry of birds, as well as their metabolism.

John Ruben

John A. Ruben is a researcher in Zoology and Vertebrate paleontology at the Oregon State University in Corvallis. Much of his published research is focused on studying the respiratory system in birds, in order to contradict the theory of theropodan ancestry of birds, as well as their metabolism.