from Memphis, TN
1957-1966 Ulf Styren; 1966-1975 Torstein Dale; 1975 Grethe Johnsen (acting) 1975-1981 Hans Hegh; 1981-1987 Bjrn Egge; 1987-1993 Bjrn Bruland; 1993-1998 Astrid Nklebye Heiberg
... Hans Jrgen Darre-Jenssen Hieronymus Heyerdahl Torolf Prytz Jens Meinich Fridtjof Heyerdahl Nikolai Nissen Paus Erling Steen Ulf Styren ...