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Photo: Hans-Dieter Sues, paleontology
Hans-Dieter Sues
Paleontology
Base of Operations
Washington, D.C.
Education
B.S., Johannes Gutenberg-Universität, Germany; M.Sc., University of Alberta, Canada; M.A., Ph.D., Harvard University
"Of all life-forms that ever existed on Earth, 99.999 percent are already extinct. Paleontology—the study of ancient life—is the key to understanding not only the history of life, but to uncovering valuable clues to its present and future."
Hans Sues is associate director for research and collections at the National Museum of Natural History of the Smithsonian Institution in Washington, D.C.

He first became interested in dinosaurs and other extinct animals at the age of four, when his parents gave him a book on prehistoric life.

Sues holds a doctorate in organismal and evolutionary biology from Harvard University. His research is concerned with the evolution of Mesozoic vertebrates, especially archosaurian reptiles (including dinosaurs) and the precursors of mammals, as well as with the changes in land ecosystems through time. Sues is especially interested in the Triassic Period (about 245-200 million years ago), when most major groups of present-day vertebrates first appeared.

He has collected fossils of dinosaurs and other Mesozoic vertebrates in the United States, Canada, Germany, Morocco, and Uzbekistan, and has discovered numerous new species of extinct reptiles, including several new dinosaurs.

Photograph courtesy Hans-Dieter Sues
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