Rosaly Lopes is a Senior Research Scientist and Manager for Planetary Science at the Jet Propulsion Laboratory, California Institute of Technology. Specializing in planetary and terrestrial geology and volcanology, Lopes has traveled extensively to active volcanoes on all continents. Lopes worked on the Galileo mission and was responsible for observations of Jupiter's volcanic moon Io from 1996 to 2001, discovering 71 active volcanoes. She is currently the Investigation Scientist on the Cassini Titan Radar Mapper Team and is studying the geology of Titan, particularly its strange ice volcanoes. She is a Fellow of the American Association for the Advancement of Science and of the Geological Society of America.
Poppy Northcutt was a pioneer—the first woman to work as an engineer in Apollo Mission Control. The program she helped to create got the astronauts back to Earth. Fifty years later, she sits down with Mat Kaplan for a look back.