Boris Pavlik (1940) –  Docent, Head of the сhair of  Machinery technology of the Riga Polytechnic Institute (from 1990 – Riga Technical University). >>

Ivan Petrov (1941-2021) – Candidate of Tetcnical Sciences, senior researcher of the Riga Polytechnic Institute. >>

Vladimir Pirogov (1932-2010) – a Correspondent-member of  Latvian Academy of Sciences (1968), Habilitated Doctor of Computer Science (Dr. habil. sc. comp). Professor of the Riga Polytechnic Institute >>

Ninel Podgornaya (1930-2015) – a specialist in  Alexander Pushkin studies, collector, writer, researcher of the history of the Romanov dynasty. The creator of the museum "Pushkin and the Baltic" in Pushkin Lyceum in Riga.  >>

Arnold Podmazov (1936-2010) – Doctor of Philosophy, specialist in the history of old believer's. >>

Boris Popov (1871-1950) – Professor of the chair  of  Mineralogy of the Faculty of Chemistry of the University of Latvia from 1920 to 1944. >>

Nikolay Popov (1884-1948) – professor, director of the Russian Institute of University  knowledge in Riga. >>

Valentin Popov (1937) – Hab. Doctor of physics (Dr. habil. phys.), Professor of the Riga Technical University, professonal musician-singer (lyric-dramatic tenor). >>

Viktor Popov (1932-2008) – Doctor of Medicine. Initiated the creation of the Baltic-Slavonic Society, which he chaired from 1989 to 1996. Published the «Church and the World» (Церковь и мир) newspaper. >>

Viktor Popov (1952) – Candidate of Technical Sciences, from 1976 to 1994 worked at the Riga Polytechnic Institute. >>