Dr. Dieter M. Zube is a German born and educated spacecraft propulsion engineer who works on satellite in-space propulsion systems for a large U.S. spacecraft propulsion company. He received his MS and PhD in aerospace engineering at the Institute of Space Systems at Stuttgart University in Germany during the early 1990s, and has lived and worked in the Pacific Northwest since 1997. He teaches spacecraft propulsion classes at the University of Washington in Seattle and works as a museum docent at Seattle's Museum of Flight, specializing in spaceflight and German aviation topics.

Photo courtesy Dieter Zube.