Douglas Ehninger,... [et al. Douglas Ehninger,... [et al.] Douglas Gunn...[et al. Bob Sehlinger...[et al. Douglas A.Downing...[et al. Douglas Gunn...[et al.] By Bob Sehlinger...[et al. Douglas A.Downing...[et al.] Jacques Monnier,...[et al. Louis Alexander,...[et al.