Edwin Fitch Northrup
He studied at Amherst College and the Johns Hopkins University, where he gained his Ph.D. in physics in 1895. He then became assistant to Prof. Henry Augustus Rowland (died 1901) in the development of telegraph systems and became chief engineer at the newly founded Rowland Printing Telegraph Company. In 1903 he co-founded the Leeds & Northrup with Morris E. Leeds.
- Northrup, Edwin Fitch (1937). Zero to Eighty: Being My Lifetime Doings, Reflections, and Inventions, Also My Journey Around the Moon. Scientific Pub. Co.
- Northrup, Edwin F. (1912). Methods of Measuring Electrical Resistance. McGraw-Hill book Company.