title: Introduction to the Festschrift for Robert C. Waag.
authors.affiliation: Professor of Radiologic Sciences, Co-Director, Program for Medical Ultrasound, Center for Applied Learning, School of Medicine, Wake Forest University, Winston-Salem, North Carolina, Past President, American Institute of Ultrasound in Medicine. Electronic address: fkremkau@wakehealth.edu.
authors.forename: Frederick W
authors.initials: FW
authors.lastname: Kremkau
mesh_terms: D001698:Biomedical Engineering / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D011871:Radiology / Q000266:history*; D014463:Ultrasonography / Q000266:history*; D014481:United States