Edwin Fitch Northrup (born February 23, 1866 - May 13, 1940) was a professor of physics at Princeton University from 1910 to 1920. He was affiliated with the "Leeds & Northrup Company" for about seven years.
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 Company with Morris E. Leeds.
In 1937, Dr. Northrup published the science fiction novel Zero to Eighty under the pseudonym of Akkad Pseudoman.