Question: Beno Gutenberg, was a German-American seismologist who made several important contributions to the science, he was a colleague and mentor of Charles Francis Richter at which location?
Sentence (from "Beno Gutenberg"): He was a colleague and mentor of Charles Francis Richter at the California Institute of Technology and Richter's collaborator in developing the Richter magnitude scale for measuring an earthquake's magnitude.
Relevant evidence: Yes