John Grotzinger

JOHN GROTZINGER is a Field Geologist interested in the evolution of Earth's surficial environments and biosphere. He is the Fletcher Jones Professor of Geology at Caltech University College, USA. In addition, he served as a member of the Geology Group on the Mars Exploration Rover mission in 2004 when it was discovered that water was once abundant on the ancient surface of Mars. He is a member of the American Academy of Arts and Sciences and the US National Academy of Sciences. THOMAS H....See more