Charles Odwin, BS,RT, RDMS has been active in ultrasound since 1979 and is a Registered Diagnostic Sonographer. He helped create the local ultrasound society in New York in 1983 and is a past-president of the New York State Society of Diagnostic Medical Sonographers. Mr. Odwin has published multiple articles in ultrasound journals and has received an award for Publishing Excellence from the Journal of Diagnostic Medical Sonography. As an artist he has contributed as a medical illustrator to ultrasound test books. He is an instructor in ultrasound schools and is the primary author of several books and contributing author in others. Mr. Odwin is currently teaching ultrasound to emergency department physicians.
Arthur C. Fleischer, MD, Professor, Radiology and Radiological Sciences, Vanderbilt University, Nashville, TN

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