Joy Crisp is a planetary geologist specializing in Mars geology. She is noted for her work on NASA missions to Mars, including the Mars Exploration Rovers and Mars Science Laboratory. Wikipedia*
On the C-SPAN Networks:
Joy Crisp has nine videos in the C-SPAN Video Library; the first appearance was a 1998 News Conference as an Assistant Scientist for the Mars Pathfinder Mission of NASA. The year with the most videos was 2004 with six videos. The year with the highest average number of views per program was 2012 with an average of 1,064 views per program. Most appearances with Veronica McGregor (3), John P. Grotzinger (3), Matt Golombek (2). Most common tag: Space.