Anton Karl Thraen (17 January 1843 in Holungen – 18 February 1902 in Dingelstädt) was a German astronomer and named two minor planets, 442 Eichsfeldia and 443 Photographica.
Christian Joseph Jagemann (1735, Dingelstädt - 5 February 1804, Weimar) was a German scholar, court-advisor and librarian.
It was founded in 1923 and today employs around 750 people, 650 of which are working in Switzerland and the other 100 in Dingelstädt, Germany.