Question: Did Otto Hilgard Tittmann and Sam Tsemberis share the same nationality?
Sentence (from "Sam Tsemberis"): Sam J. Tsemberis( born March 11, 1949 in Skoura, Greece) is a Greek Canadian clinical and community psychology practitioner, and the founder and executive director of Pathways to Housing, a Housing First program for individuals with serious mental illnesses, long histories of homelessness, and often co-occurring substance abuse.
Relevant evidence: No