List of Famous people named Julius

Julius Rodenberg was a German Jewish poet and author.

Julius Bauschinger was a German astronomer.

Julius Tannen was a monologist in vaudeville. He was known to stage audiences for his witty improvisations and creative word games. He had a successful career as a character actor in films, appearing in over 50 films in his 25-year film career. He is probably best known to film audiences from the musical Singin' in the Rain, in which he appears as the man demonstrating a talking picture early in the film.

Julius Bartels was a German geophysicist and statistician who made notable contributions to the physics of the Sun and Moon; to geomagnetism and meteorology; and to the physics of the ionosphere. He also made fundamental contributions to statistical methods for geophysics. Bartels was the first President of the International Association of Geomagnetism and Aeronomy (IAGA). With Sydney Chapman, he wrote the influential book Geomagnetism.

Julius Robert von Mayer was a German physician, chemist and physicist and one of the founders of thermodynamics. He is best known for enunciating in 1841 one of the original statements of the conservation of energy or what is now known as one of the first versions of the first law of thermodynamics, namely that "energy can be neither created nor destroyed". In 1842, Mayer described the vital chemical process now referred to as oxidation as the primary source of energy for any living creature. His achievements were overlooked and priority for the discovery of the mechanical equivalent of heat was attributed to James Joule in the following year. He also proposed that plants convert light into chemical energy.

Julius Epstein was a Croatian Jewish pianist.