Dr. Carl L. Johannessen-World Trade and Biological
Exchange Before 1492
Carl Johannessen's Bio
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Michael Thrasher
Gunnar Thompson, Ph.D.
Dr. Carl L.
Johannessen
Zena Halpern
V. Garth Norman
Jay S. Wakefield
Andrea di Robilant
Dr. David H. Kelley,
Ph.D.
Dr. Manual di Silva
Scott Wolter, P.G.
Chris A. Patenaude
AAS
Dr. Stephen C. Jett
Dr. Evan Jones
Dr. Benjamin B.
Olshin,
Ph.D.
Rick Osmon
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