Roger H. Seifter...[et al.] Roger H. Seifter...[et al. Peter F. Drucker...[et al.] Peter F. Drucker...[et al. Roger Hicks...[et al.] Korina Miller...[et al. Bob Sehlinger...[et al.] Dr. Kurt Mosetter...[et al.] Hal Foster...[et al.] John T. Carpenter...[et al.]