Bachelor of Science, University Illinois, 1930; student, George Washington University, 1930-1932; student, University Colorado, 1934-1936.
Engineering aide, Interstate Commerce Commission, 1930-1933;
with, Bureau Reclamation, 1933-1973;
beginning as engineering draftsman, Denver, successively junior engineer, assistant engineer, associate engineer, engineer, senior engineer, Washington, liaison representative, associate engineering, Bureau Reclamation, 1933-1954;
engineering division chief, Bureau Reclamation, 1954-1964;
assistant to commissioner for research, Bureau Reclamation, 1964-1971;
assistant to commissioner for science affairs, Bureau Reclamation, 1971-1973;
consultant to power ministry, Government Iran, 1973;
consultant, World Bank, since 1973;
international procurement specialist, member, World Bank Mission to Pakistan, 1978;
member, World Bank Mission to, Indonesia, 1979;
member, World Bank Mission to, Hungary, Syria, 1983;
private consultant engineering practice, since 1976. Consultant government power procurement, Saudi Arabia, 1976-1977. Member United States committee International Irrigation and Drainage Commission.
Chairman of Commission on world register of dams International Commision on Large Dams. Member United States national committee tunneling technical National Academy Sciences-National Academy Engineering. Member Executive Committee, Chairman.com. review and inspection dams United States Committee on Large Dams, 1964.
Member USCOLD Committee Model Legislation Dam Safety, Interagy. Committee Excavation Technology, since 1972. Delegate White House Conference Natural Beauty, 1965.
Fellow American Society of Civil Engineers (life), Engineering Foundation (member board, member research committee 1966-1978, conferences committee, member construction research council. Chairman research conference on common rights of way 1969, co-chairman research conference underground transmission 1971, chairman conference committee since 1972, co-chairman conference on converting existing dams to pump-storage). Member C.I.G.R.E. (international conference on large high tension electric systems), National Academy of Sciences, Federal Construction Council, United States National Committee on Tunnelling Technology, American Association for the Advancement of Science, Institute of Electrical and Electronics Engineers (life), Washington Society Engineers (life), District of Columbia Professional Engineers, International Committee World Register of Dams., American Arbitration Association.
Married Lillian Loretta Sommers, September 10, 1930. Children: John Frederick, Marilyn Ann Mermel Disbrow, Yvonne T. Mermel Rodler.