Background
Hennebach, Ralph L. was born on May 2, 1920 in Garfield, Utah, United States. Son of Leo and Consuelo (Herrerias) Hennebach.
non-ferrous metal company executive
Hennebach, Ralph L. was born on May 2, 1920 in Garfield, Utah, United States. Son of Leo and Consuelo (Herrerias) Hennebach.
Metallurgical Engineer, Colorado School Mines, 1941. Master of Science in Industrial Management (Sloan fellow), Massachusetts Institute of Technology, 1953.
With American Smelting and Refining Company Inc., from 1941, assistant to vice president smelting and refining, 1958-1963, vice president smelting and refining, 1963-1966, executive vice president, 1966-1971, president, 1971-1982, chairman, 1982-1986, also director. Trustee Committee for Economic Development. Board directors Crompton and Knowles.
Lieutenant (junior grade) United States Naval Reserve, 1944-1946. Member American Institute of Mining (Charles Rand Gold medal 1983), Mining and Metallurgical Society, Colorado School Mines Alumni Association, Canoe Brook Country Club, Baltusrol Golf Club, Economic Club, Sigma Alpha Epsilon, Theta Tau.
Married Mary Louise Johnston, September 14, 1946. Children: Mark Leo, Anne Louise, Margo Lynnne.