List of Geophysicists - G

G

• Carl Friedrich Gauss (German, 1777–1855) – first mathematical representation of Earth's magnetic field; geodetic surveys
• Henry Gellibrand (English, 1597–1637) – discovered that magnetic declination varies with time
• James Freeman Gilbert (American, 1931–) – development of geophysical inverse theory; establishment of network of seismometers
• William Gilbert (English, 1544–1603) – early magnetic experiments; first to argue that the Earth itself is magnetic
• George Graham (English 1673–November 1751) – discovery of the diurnal variation of the Earth's magnetic field; related Aurora borealis to magnetic field variations
• Beno Gutenberg (American, 1889–1960) – probability distribution of earthquake energies and relation of energy to magnitude