Purdy is director of Columbia University's Lamont-Doherty Earth Observatory. His primary interests are in the building of a first-class interdisciplinary research institution that leads the world, not only in the quality of its research, but also in its ability to relate the results of this resea...
Purdy is director of Columbia University's Lamont-Doherty Earth Observatory. His primary interests are in the building of a first-class interdisciplinary research institution that leads the world, not only in the quality of its research, but also in its ability to relate the results of this research to earth issues of importance to humanity.