Stalina Mininzon (1932-2024) –  a teacher of chemistry and biology. Cynologist, felinologist. >>

Irina Mirskaya (1927) – teacher of French, English, German and Latvian languages in secondary schools of Riga. >>

Adrian Mossakovsky (1871-1939) – Director  of theRiga city Russian gymnasium (former Lomonosov) from 1921 to 1935. >>

Modest Muhlberg (1884-1949) – teacher of Maths and Physics in Riga Russian schools. From 1927 – Principal of Riga Russian Supplementary  school. >>