TY  - BOOK
AU  - Cullen,Katherine E.
TI  - Earth science: the people behind the science 
T2  - Pioneers in science
SN  - 9780816054640
AV  - QE 21 .C897 2006
PY  - 2006///
CY  - New York, NY
PB  - Chelsea House Publishers
KW  - Earth scientists
KW  - Biography
KW  - Earth science
KW  - History
N1  - Includes bibliographical references and index; Georgius Agricola (1494-1555): Forefather of geology and the father of mineralogy -- Nicolaus Steno (1638-1686): Law of superposition of rock layers and the principles of original horizontality and lateral extension -- James Hutton (1726-1797): Uniformitarianism as the central principle of historical geology -- Alexander von Humboldt (1769-1859): Unification of the natural sciences -- Georges Cuvier (1769-1832): Reality of extinction of past life-forms -- William Smith (1769-1839): Creation of the world's first geological map -- Sir Charles Lyell (1797-1875): Gradual nature of earth's processes -- Alfred Wegener (1880-1930): Theory of continental drift -- Arthur Holmes (1890-1965): Estimation of the earth's age -- Stephen Jay Gould (1941-2002):Theory of punctuated equilibrium
ER  -