Joseph P. Iddings

Joseph Paxson Iddings (January 21, 1857 – September 8, 1920) was an American geologist and petrologist.

Biography Joseph Paxson Iddings was born in Baltimore, Maryland on January 21, 1857, the son of a wholesaler in Philadelphia. He received a master's degree from Yale College's Sheffield Scientific School in 1877 and then studied analytical chemistry at the University. Later, he transferred to Columbia University where he studied Geology under Professor John S. Newberry. He spent 1879-1880 at the University of Heidelberg, where he conducted petrographic research under the direction of Karl Rosenbusch.

From July 1880 to 1895, he worked in the United States Geological Survey. Iddings was a member of the National Academy of Sciences,