His father, Lev Isomerovich Soloveychik, was editor, writer and administrator at the Krasnaya Zvezda ("Red Star") newspaper, and later managed the Moscow-based Voienizdat publishing house.
After graduating from the Philology Department of Moscow State University in 1953 Simon worked as a Boy and Girl Scouts leader, a secondary school teacher, and a correspondent of Pioneer magazine.
In 1960 he worked for the newspaper Komsomolskaya Pravda, where he launched a wide theme named "Aly parus" (Scarlet Sail), where he published articles on humanism and morality.
In 1992 Soloveychik founded and lead the newspaper Pervoe sentyabrya (First of September), which promoted humanistic pedagogical ideas.
"Soloveychik was a classic member of the Russian intelligentsia, focused on underlying ideas and their significance, rather than on what was practical or expedient.