Born to Joseph Seppi and Fortunata Seppi in Price, UT.
Earns a Bachelor of Arts from Brigham Young University.
Is a staff physicist for General Electric at Hanford Atomic Works until 1958.
Earns a Master of Science from the University of Idaho.
Is a research fellow with and earns a Doctor of Philosophy from the California Institute of Technology in Pasadena, CA.
Is a staff physicist within the Institute for Defense Analyses in Washington, D.C. until 1964.
Is the research area department head of the Stanford Linear Accelerator Center until 1968.
Is the head of the Experimental Facility Department within the Stanford Linear Accelerator Center (SLAC) in Stanford, CA.
Writes “The Stanford Two-Mile Accelerator.”
Is the manager of Medical Diagnostic Instrumentation within Varian Associates in Palo Alto, CA.
Is a manager of the Computer Tomography Division within Varian Associates in Palo Alto, CA until 1978.
Is an engineering manager of the radiation division within Varian Associates in Palo Alto, CA.
Is the technical director of Varian Associates in Palo Alto, CA.
Is a senior scientist with Varian Associates in Palo Alto, CA.
Develops the first whole-body three-second CT scanner and is able to use it on patients.
Is a principal scientist within the Varian Ginzton Research Center at Palo Alto, CA until retiring in 2012.
Holds more than 60 patents in medical instrumentation; develops digital scanners to replace film in medical applications.