Joann Stock

from Massachusetts Institute of Technology in 1981,[2] and went on college field trip to Greece which grabbed her interest in geology.

[3] She "liked learning things that nobody knew before" and was particularly interested in earthquakes on the sea floor.

[5] From 1988 until 1992 she was on the Geology and Geophysics faculty at Harvard University, and then she moved to the California Institute of Technology where she was promoted to professor in 1998.

[6] Through her collaboration with Peter Molnar, Stock has examined the movement of plates in the Cenozoic[7] and in the period since the Late Cretaceous.

[8] Stock has also defined the positions of tectonic plates in the Late Cretaceous[9][10] and the Paleogene.