. "1889Z"^^ . "1960Z"^^ . . . "Gutenberg, Beno"@en . . . . "1960-01-25Z"^^ . "Beno Gutenberg"@en . "Seismologist" . "1889-06-04Z"^^ . . "Beno Gutenberg (June 4, 1889 \u2013 January 25, 1960) was a German-American seismologist who made several important contributions to the science. 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."@en . . . .