January 1, 1960 Amb. Kenneth Quinn
February 1, 1960 Amb. Kenneth Quinn
May 1, 1960 Amb. Kenneth Quinn
October 1, 1969 Amb. Kenneth Quinn
October 8, 1973 Amb. Kenneth Quinn
January 1, 1976 Amb. Kenneth Quinn
January 1, 1978 Amb. Kenneth Quinn
October 1, 1979 Amb. Kenneth Quinn
January 1, 1982 Amb. Kenneth Quinn
October 1, 1982 Amb. Kenneth Quinn