Harry Hess became a professor of geology at Princeton ... the existing sea-floor away from the Rift on either side. This theory accounted for and united several separate puzzles in marine geology ...

Harry Hess became a professor of geology at Princeton ... the existing sea-floor away from the Rift on either side. This theory accounted for and united several separate puzzles in marine geology ...

Harry Hess became a professor of geology at Princeton in 1932. His specialty was the study of arced chains of islands with active volcanoes. When World War II started, he was part of the Naval Reserve ...