Claudius Galen (129 û about 200) û a prominent Roman physician and philosopher of Greek origin, and probably the most accomplished medical researcher of the Roman period. His theories dominated and influenced Western medical science for well over a millennium and continue to have an impact on modern medicine.

Originally released by First American Media Group, Inc., 2012. Streaming video file encoded with permission for digital streaming by Infobase on September 13, 2016.

Claudius Galen: Famous Scientists (6:59); .