Morton Masius (October 6, 1883, Egg Harbor City, New Jersey – November 1, 1979, New Haven, Connecticut) was a German-American physical chemist.
[1] His parents were Alfred Masius, a translator for the U.S. Department of Agriculture, and his wife Edith, née Bailey.
In 1909 he became a faculty member in the physics department of Worcester Polytechnic Institute (WPI), where he was promoted in 1919 to full professor.
[4] He is perhaps best known for his 1914 translation of the 1913 2nd edition of Max Planck's 1906 Vorlesungen über die Theorie der Wärmestrahlung.
[5] Masius was a member of the American Association of Physics Teachers and the Society for Freedom in Science.