Along with his co-author, Sameer S. Somal, Dr. Williamson draws on key moments from Lincoln’s legal career to illustrate what sets a great expert witness apart. Dr. Williamson applies that same standard to expert witness practices. About Dr. Richard A. WilliamsonDr. Richard Williamson is a Board-Certified Prosthodontist with over 46 years of experience. Additionally, Dr. Williamson is the Director of Student Global Experiences for the UNMC College of Dentistry and collaborates with UNMC, other universities, and disciplines. His interests include veteran dental care, giving students global dental experiences, providing expert witness services, and consulting with dental providers.