Ludmilla Grünberg-Soldatova was the second wife of Sergei Soldatov. She edited many of his publications. After his death, she edited and published a 15-volume collection of his works in 2004-2006. In accordance with Soldatov's wish to keep his papers in Estonia, she sold them to the National Library of Estonia in 2006.
Ludmilla Grünberg-Soldatova is not a public figure in Estonia, and thus there is little information available on her.