Before revision: One of the Untergunther restorers, Jean-Baptiste Viot, was later appointed as the official restorer of the clock in 2018, with his work during the Untergunther restoration as proof of his qualifications.
After revision: citedOne of the Untergunther restorers, Jean-Baptiste Viot, was later appointed as the official restorer of the clock in 2018, with his work during the Untergunther restoration as proof of his qualifications.