|WikiProject Biography / Politics and Government||(Rated Start-class)|
"whose maiden name was the same as her married name, Dern."
== "best known for the Holt-Dern process..."
What about the Dern Foam process, a process for the preliminary separation, i.e. the ore-enrichment, of silver from rock? — Preceding unsigned comment added by 220.127.116.11 (talk) 20:34, 15 November 2011 (UTC)