Wesley Ernest Brown (June 22, 1907 – January 23, 2012) was a U.S. District Court judge who, as of his death, was both the longest serving federal judge and the oldest federal judge still hearing cases.
http://en.wikipedia.org/wiki/Wesley_E._Brown
http://blogs.wsj.com/law/2012/01/24/in-remembrance-wesley-brown-the...
http://www.nytimes.com/2012/01/26/us/wesley-e-brown-oldest-judge-in...
“I was appointed for life or good behavior,” he would often say, .... “whichever I lose first.”