Joseph Trofimov (1947–2007) – Habilitated Doctor of Philology (Dr. habil. philol.), Professor of the Department of Literature and Culture of the Daugavpils University. >>

Sergey Trusov (1946) – Habilitated Doctor of Chemistry (Dr. habil. chem.), Professor of the Riga Technical University. >>

Yevgeny Tsarkov (1935-2018) – Dr. Habil. Math, professor of the Riga Technical University. >>

Semyon Tsifansky (1932) – Habilitated Doctor of engineering (Dr. habil. sc. ing.), professor of the Riga Technical University. Well known specialist in the fields of mechanics. >>

Leonid Tsilevitch (1925-2017) – Habilitated Doctor of Philology (Dr. habil. philol.), professor of Daugavpils Pedagogical Institute. >>

Ksenia Tsirule (1937) – Doctor of Egineering (Dr. sc. ing.), a specialist in the field of physics and mechanics of polymers. >>

Gennadiy Tsvetkov (1935-2011) –  Doctor of Engineering (Dr. sc. ing.), Docent of the Riga Technical University. >>

Galina Tunik-Rosniansky (193-2021) – a Founding member of the "Books for Russia" committee, linguist, professional diplomatic translator, active worker of the Washington branch of the Russian Academic Group in the USA. >>

Vladislav Turko (1950) –  Doctor of Engineering (Dr. sc. ing.), a specialist in the field of aviation cinstructions. >>

Frants Turonok (1944) –  Doctor of Engineering (Dr. sc. ing.), a Head of the Chair of Engineering Machinery of the Riga Technical University.  >>