Ludmila Sproge (1953) – professor, from 2002 Head of the Department of Russian and Slav languages of the faculty of Humanitarian Sciences of the University of Latvia. >>

Margarita Surgucheva (1931) – a Candidate of Technical Sciences, Docent of Computing machinery departament of Riga Polytechnic Institute. >>

Mikhail Tareyev (1867–1934) –  a famous thinker, Russian religious philosopher, theologian, writer, professor of the Moscow Holy Academy. >>

Yuri Tarnopolsky (1929–2003) – an outstanding scientist in the field of mechanics, Academician of  Latvian Academy of Sciences. >>

Galina Telysheva (1937–2021) – Professor, Habilitated Doctor of Chemistry (Dr. habil. chem.), a specialist in the field of wood chemistry and its components. >>

Natalia Temnikova (1904–1984) – a famous climate specialist, Doctor of Geography, professor of the University of Latvia. >>

Viktor Timofeyev (1927-1986) – Doctor of Economic Sciences, Correspomdent Member of the Academy of Sciences of Latvian SSR (1982), Rector of the Latvian Agricultural Academy (1980-1986). >>

Anatoly Timokhovich (1929-?) – Candidate of Technical Sciences, worked at the Riga Polytechnic Institute from 1965 to 1991 >>

Andrei Tokarsky (1948) – Docent of the Faculty of Electrical Energy of the Riga Polytechnic Institute. >>

Zoya Tolmachova (1922-2001) – Candidate of Philology, Docent of the Chair of Russian language of the Philological faculty of the Latvian State University. >>