There was one Friedrich Muth who studied at the University of Tartu (Estonia) in 1918. He was then 32 years old, originated from Russia, Saratov guberniya (province), Kamyshin county, Grimm colony.
The website of Odernheim (might not be the right one) is
http://www.odernheim.de/Regards
Fred Puss
Estonian Biographical Center
http://www.isik.ee/english