Rudolf Siebert (1927) and Leo Semashko (1941), scorched by the war

Photo 2006, St. Petersburg, Synergy Start in Peace Science

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Publication:

In Russian: https://peacefromharmony.org/?cat=ru_c&key=1074

In English: https://peacefromharmony.org/?cat=en_c&key=1193

In Chinese: https://peacefromharmony.org/docs/China-Russia-for-Peace-24-06-2024.pdf#page=23