Dr. R. Brooks Legg, Jr. was raised in Indore, West Virginia. His parents were R. Brooks Legg, Sr. and Monica Legg. He attended the public schools of Clay County, graduating from Clay County High School in 1968. Dr. Legg attended the University of Kentucky and West Virginia University, where he majored in Chemistry and Physics.
He graduated from the West Virginia University School of Dentistry in 1975, third in his class of 68. Dr. Legg earned special honors, including: election to Omicron Kappa Upsilon, the honor dental fraternity, the American Academy of Oral Medicine Award, a Certificate of Honor, the C.V. Mosby Award, and the Dentsply Removable Prosthodontics Award.
Dr. Legg has practiced continuously in Clay since August 1975. He and his wife Diann have been married for 33 years. They have three children: Jeanne, Brooks, and Lydia, a 2007 graduate of the WVU School of Dentistry.