The late Charles D. Brown, respected throughout the aerospace world, had a distinguished career as manager of planetary spacecraft projects and as a college lecturer in spacecraft projects and spacecraft design. During his 30 years with Lockheed Martin, he led the design team that produced propulsion systems for Mariner 9 and Viking Orbiter. He also directed the team that produced the Magellan spacecraft. Brown taught a popular design course at University of Colorado at Boulder. He also wrote the textbooks Spacecraft Mission Design and Spacecraft Propulsion.