Bachelor of Science, City College of New York, 1942. Doctor of Philosophy, Columbia University, 1949.
Member faculty, Ohio State University, 1949-1967;
successively instructor, assistant professor, associate professor, Ohio State University, 1949-1959;
professor, Ohio State University, 1959-1967;
department chairman geology, Ohio State University, 1960-1965;
research geologist, United States Bureau Mines, summers 1963-1967;
geologist, research supervisor, United States Bureau Mines, 1967-1968;
professor geological science and сivil engineering, University of Wisconsin, Milwaukee, 1968-1987;
professor emeritus, University of Wisconsin, Milwaukee, since 1987;
dean College Letters and Science, University of Wisconsin, Milwaukee, 1969-1972;
research associate, Lamont Geological Observatory, Columbia, 1949, 50, 51;
geologist, Ohio Department Natural Resources, summers 1950-1961;
consultant geology and rock mechanics, 1954-1967, 68—. Member United States national commission on tunnelling technical National Academy of Engineering, 1972-1974, member United States national commission on rock mechanics NAS/National Academy of Engineering, 1975-1978, 80-89, chairman, 1985-1987. Member United States committee International Association Engineering Geology/NAS, chairman, 1987-1990.
Senior postdoctoral fellow National Science Foundation, 1962.
Served to First lieutenant C.E. Army of the United States, 1942-1946. Fellow American Society for Testing and Materials (Reinhart award 1987, Award of Merit 1989), American Association for the Advancement of Science, Geological Society American. Member NSPE, American Association of University Professors (president Ohio State University chapter 1955-1956, member county 1965-1967, president University of Wisconsin -Milwaukee chapter 1976-1977), American Geophysical Union, Geological Society American (chairman engineering geology division 1973-1974), Society Mining Engineers, International Association Engineering Geology, International Society Rock Mechanics, American Rock Mechanics Association, Association Engineering Geologists, American Institute Professional Geologists (president Ohio section 1965-1966), Phi Beta Kappa (president Ohio State University chapter 1959-1960, president University of Wisconsin -Milwaukee chapter 1976-1977), Sigma Xi.
Married Maud Lydia Roback, September 6, 1953. Children: Glenn David, Philip Ethan.