Charles Benjamin Dudley

Charles Benjamin Dudley (July 14, 1842 – December 21, 1909) was an American chemist who was an early proponent of standardisation in industry.

Dudley was born in Oxford, New York, and owing to family circumstances, had to wait until 1867 before he could enter Yale College, supporting himself as a night editor on the New Haven Palladium newspaper. After graduating with a B.A. degree in 1871, he eventually earned a Ph.D. from the Sheffield Scientific School in 1874.

In 1875, he became a chemist for the Pennsylvania Railroad and started to investigate the chemical composition and metallurgical structure of rail tracks, breakage being a major hazard at that time. caused an uproar in the steel industry, who saw it as their sole domain to determine the quality of their products for sale. Dudley championed the development of the company and industry standards and demanded rigorous testing of materials to verify conformity. He developed a complete range of standards for the Pennsylvania Railroad, not only for steel, but also for fuels, lubricants, paints, and even locomotives.

In 1882, he was made a fellow of the American Association for the Advancement of Science.

In 1896 and 1897, Dudley served as president of the American Chemical Society.

In 1898, he was one of the founders of the American Society for Testing and Materials (ASTM),

He died in Altoona, Pennsylvania.

Honours Member of Phi Beta Kappa; President of the ASTM, (1902-1909).