Iddings, Joseph Paxson, 1857-1920

Joseph Paxson Iddings (1857-1920) was a petrologist who specialized in igneous rocks. He worked for the United States Geological Survey (1880-1892), was associate professor of petrology at the University of Chicago (1892-1908), and was a scientific traveler and writer (1908-1920). Iddings spent seven field seasons, 1883-1890, exploring and mapping the geology of Yellowstone National Park.

From the description of Papers, 1864-1933. (University of Wyoming, American Heritage Center). WorldCat record id: 28156403