1930
Born to Joseph Seppi and Fortunata Seppi in Price, UT.
1952
Earns a Bachelor of Arts from Brigham Young University.
1952
Is a staff physicist for General Electric at Hanford Atomic Works until 1958.
1956
Earns a Master of Science from the University of Idaho.
1962
Is a research fellow with and earns a Doctor of Philosophy from the California Institute of Technology in Pasadena, CA.
1962
Is a staff physicist within the Institute for Defense Analyses in Washington, D.C. until 1964.
1966
Is the research area department head of the Stanford Linear Accelerator Center until 1968.
1968
Is the head of the Experimental Facility Department within the Stanford Linear Accelerator Center (SLAC) in Stanford, CA.
1968
Writes “The Stanford Two-Mile Accelerator.”
1974
Is the manager of Medical Diagnostic Instrumentation within Varian Associates in Palo Alto, CA.
1977
Is a manager of the Computer Tomography Division within Varian Associates in Palo Alto, CA until 1978.
1983
Is an engineering manager of the radiation division within Varian Associates in Palo Alto, CA.
1985
Is the technical director of Varian Associates in Palo Alto, CA.
1987
Is a senior scientist with Varian Associates in Palo Alto, CA.
1992
Develops the first whole-body three-second CT scanner and is able to use it on patients.
1993
Is a principal scientist within the Varian Ginzton Research Center at Palo Alto, CA until retiring in 2012.
2021
Holds more than 60 patents in medical instrumentation; develops digital scanners to replace film in medical applications.