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Thomas Riha Missing Person Case

Last seen in Boulder, Colorado on Mar 15, 1969

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Case Description

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Thomas Riha, a 39-year-old professor of Russian history at the University of Colorado, vanished from his Boulder, Colorado home on March 15, 1969. Born in Czechoslovakia, Riha was a naturalized U.S. citizen with a doctorate from Harvard who had also taught at the University of Chicago before joining the faculty at CU Boulder in 1967. He was known for being a meticulous and punctual individual. His disappearance was noted when he failed to appear for his classes. Upon entering his home, police fo ...Read More
Last Seen: Mar 15, 1969

Links to Additional Sources (8)

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  • Missing Person / NamUs
  • The Disappearance of Professor Thomas Riha - Denver Public Library
    •     ...View 6 additional sources

    Victim Details

    Mar 08, 2016

    Jul 17, 2020

    Thomas

    Riha

    95

    39

    70 inches

    140 lbs

    White / Caucasian

    Male

    Mar 15, 1969

    Boulder

    Colorado

    Boulder County

    18097

    Boulder Police Department

    Boulder

    Colorado

    Boulder County

    80301

    Andrew Kirshbaum

    Detective

    1805 33rd Street, Colorado

    3034413333

    Local

    Law Enforcement

    https://bouldercolorado.gov/police

    P69-7940

    1969-04-04

    Boulder Police Department

    Brown

    Blue

    Blue

    05/27/2026


    Area Last Seen:

    Forum Posts (2)

    Does anyone else find it odd that Riha's passport ended up in the home of the person of interest who... ...Read More
    04/22/2023
    Has anyone else looked into the background of the person of interest connected to Riha's case? I rea... ...Read More
    03/07/2023

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