Obituary

Dr. Charles B. Dudley, chief chemist for the Pennsylvania Railroad Company, died at his home in Altoona, Pa., on Tuesday evening, December 21, 1909, of typhoid pneumonia, after an illness of three days. Dr. Dudley was born at Oxford, Chenango County, N. Y., on July 14, 1842. He was graduated from Yale University in 1871, and from the Sheffield Scientific School in 1874. Subsequently he became assistant to the professor of physics at the University of Pennsylenia. In November 1875, he became associated with the Pennsylvania Railroad Company as chemist and scientific expert, retaining this position to the time of his death. In his capacity as chemist for the Pennsylvania Railroad Company he performed work of much importance in testing railway materials, establishing a standard which has been adopted by nearly all of the railroads in this country. Dr. Dudley was president of the American Chemical Society, the Iron and Steel Institute, the International Association for Testing Materials, and the American Society for. Testing Materials. His presidential address before the latter society, on “Engineering Responsibility”, delivered on June 29, 1909, was reprinted in the December issue of the Institute Proceedings. He became an Associate of the Institute on October 1, 1889, and was transferred to the grade of Member on November 12, 1889.