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Case Description
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Ronald Tammen, a 19-year-old sophomore at Miami University in Oxford, Ohio, went missing on April 19, 1953, under mysterious circumstances that have puzzled investigators for decades. A popular and responsible student, Tammen was studying psychology and lived in Fisher Hall, a now-demolished dormitory. That evening, Tammen had been studying in his dorm room when he left to return a set of bed linens to the dorm's front desk, as his linens had been mistakenly replaced with the wrong ones. He retu ...Read More
Last Seen: Apr 19, 1953
Last Seen: Apr 19, 1953
Links to Additional Sources (14)
See any mistakes?Victim Details
Jan 05, 2010
Aug 01, 2024
Ronald
Tammen
91
19
69 inches
70 inches
175 lbs
White / Caucasian
Male
Apr 19, 1953
Oxford
Ohio
Butler County
45056
No
142
30743
Oxford Police Department
Oxford
Ohio
Butler County
45056
Daniel Umbstead
Detective Lieutenant
11 South Poplar Street, Ohio
5135245240
Local
Law Enforcement
Butler County Sheriff's Office
Brown
Brown
Brown
11/21/2025
Area Last Seen:







