This organization has contributed to the following objects in the Encyclopedia.Gruen, Dietrich with Frederick Gruen and Paul Assmann, 1894While studying at the Deutsche Urhmacherschule (German Watchmaking School) in Glashütte, Germany, Frederick Gruen became acquainted with Paul Assmann, whose…
Gruen, Dietrich with Frederick Gruen and Paul Assmann, 1894While studying at the Deutsche Urhmacherschule (German Watchmaking School) in Glashütte, Germany, Frederick Gruen became acquainted with Paul Assmann, whose…