I have 50 years of experience in the field of nondestructive testing and examination, with specific knowledge of radiography, ultrasonic’s, magnetic particle, liquid penetrate, eddy current and visual testing methods. I have published on such topics as radiography, ultrasound, magnetic particle, eddy current, nondestructive testing and nondestructive examination. I have testified on radiography of welds, ultrasonic testing of welds, magnetic particle testing, certification of personnel and performing examinations.