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Thomas Riha Missing Person Case

Last seen in Boulder, Colorado on Mar 15, 1969

Victim Details

Mar 08, 2016

Jul 17, 2020

Thomas

Riha

96

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

07/12/2026


Area Last Seen:

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 ...
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Last Seen: Mar 15, 1969

Links to Additional Sources (7)

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  • Missing Person / NamUs
  • The Disappearance of Professor Thomas Riha - Denver Public Library
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    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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