Christian E Hauer/ William a Young
(1)
Ronda Kasl (EDT)/ Alfonso Rodriguez G. De Ceballos/ Javier Portus/ Luisa Elena Alcala/ William A. Christian Jr.
(1)
William A. Pencak/ Christian B. Keller/ Barbara B. Gannon
(1)
William A. Worrell/ P. Aarne Vesilind/ Christian Ludwig
(1)
William White M a (Lighthouse Training Institute Bloomington Il USA),Christian Larsen
(1)