Geologists

Charles Lyell

James Hutton

Louis Agassiz

Mary Anning

Charles Lapworth

Douglas Mawson

Nicolas Steno

Richard Dixon Oldham

Bruce C. Heezen

Jean-André Deluc

Joachim Barrande

Wen Jiabao

John Wesley Powell

William Edmond Logan

Friedrich Mohs

Eugene Merle Shoemaker

Abraham Pineo Gesner

Clarence King