Sean Carl Solomon (born October 24, 1945) is an American geophysicist and planetary scientist who is currently a Doherty Senior Scholar at the Lamont–Doherty Earth Observatory of Columbia University, where he was also director and the William B. Ransford Professor of Earth and Planetary Science from 2012 to 2020. Before moving to Columbia in 2012, he was the director of the Department of Terrestrial Magnetism at the Carnegie Institution in Washington, D.C. His research area is in the fields of planetary geology, seismology, marine geophysics, and geodynamics. Solomon is the principal investigator on the NASA MESSENGER mission to Mercury.
