The first to serve as ACS president for three one-year terms
He was one of the first professional consulting chemists in the United States
As a long-time melter and refiner at the U.S. Mint in Philadelphia, he devised procedures to refine great amounts of Au-Ag ore after the California gold rush.
. . . that he spent some time in Mine la Mott in Missouri mining cobalt?
. . . that he discovered that the mountains that form the middle belt of the state of Pennsylvania consisted of two separate formations?