• 1818 Born in
Hanover, New Jersey, on January 18, 1818 • 1836 Surveyed
Canajoharie and Catskill Railroad • 1839 Graduated from the
Rensselaer Polytechnic Institute • 1839 Tutor at
Rensselaer Polytechnic Institute • 1842-1846 Senior Professor at
Rensselaer Polytechnic Institute • 1848 Professor of Math and Natural Philosophy at
The Albany Academy • 1848-1850 Glass-making in
Albany, New York • 1851-1853 Principal of
The Albany Academy • 1853 Chairman of Chemistry and Natural Sciences at
Rutgers College • 1864 Elected as a member to the
American Philosophical Society • 1864-1889 Vice President of
Rutgers College • 1864-1889 State Geologist of New Jersey • 1872 Published first edition of Geology of New Jersey • 1879 Appointed Director of the State
Agricultural Experiment Station • 1889 Died in
New Brunswick, New Jersey, on September 22, 1889, due to
heart failure ==Publications==