They also recognized two honorees from mining history, R.A.F. Penrose [center] and Samuel Peter Heintzelman [right]. Penrose, you may recognize from the Penrose Medal and endowed publication series at GSA and medal for SEG. He made his fortune starting in the 1890s from the Commonwealth Mine in Pearce, Arizona and later formed the Utah Copper Co.
Heintzelman also has Arizona connections, helping set up Sonora Exploring & Mining Co. which developed the Santa Rita and Cerro Colorado mines in the Santa Cruz valley.
All photos from Mining Foundation of the Southwest.