In 1740 after the death of Christfried Kirch he was named as his successor as Director of Berlin Observatory - a post which he held for the rest of his life.
Also in 1716, Maria's son Christfried became the director of Berlin Observatory of the Royal Academy of Sciences following Hoffmann's death and Maria and her daughter, Christine, became his assistants.
Christfried Kirch | Patrick Vinton Kirch | Gottfried Kirch | Leo Kirch |