He was responsible for engineering development and spacecraft avionics integration of the American Flight Echocardiograph for investigating cardiovascular physiology in microgravity .
David Wolf began his NASA career in the Medical Sciences Division at the Johnson Space Center in Houston , Texas .
David Wolf was responsible for engineering development and spacecraft avionics integration of the American Flight Echocardiograph for investigating cardiovascular physiology in microgravity .
David Wolf began his NASA career in the Medical Sciences Division at the Johnson Space Center in Houston , Texas .