Johann Gutenberg

Subject: Literature

(c.1396–1468), inventor of printing. He was a native of Mainz. In 1448 he borrowed money, probably for developing his printing process. He printed the Mazarin Bible (q.v.) and ...


seismology   Reference library

The Oxford Companion to the History of Modern Science

Reference type:
Subject Reference
Science and technology, History of Science
1,101 words

...maps of global seismicity. Using Milne's seismograph scientists in the British empire had set up the first uniform, international network. In the 1930s Charles Francis Richter and Beno Gutenberg developed a standard scale to measure the relative sizes of earthquake sources, commonly called the Richter scale. It is one of several magnitude scales in use today. Gutenberg and Richter also wrote textbooks that became standards in the field. Seismology figured among the founding six sections at the first meeting of the International Union of Geodesy and...