List of Famous Diplomat Sponsored Links William L. Swing (91 years)William B. Saxbe (94 years)U. Alexis Johnson (89 years)James B. Warlick, Jr. Samuel Žbogar (64 years)Kristen Silverberg Roderick W. Moore Riyad H. Mansour Robert Livingston (1746â1813) (67 years)Perezi Kamunanwire Miles Poindexter (158 years)Oskar R. Lange (61 years)Patricia A. Butenis Ambrose Dudley Mann (88 years)Donna Hrinak Hans G. Klemm George Wallace (Liberia) Carlo Maria Viganò (85 years)Cameron R. Hume Charles Cotesworth Pinckney (79 years) ← OlderNewer →