Spezielle Zahn-, Mund- und Kieferchirurgie / W. Rosenthal, W. Hoffmann-Axthelm, A.
Bienengräber, 1963
https://en.wikipedia.org/wiki/Wolfgang_Rosenthal [2020.10.01]
Information trouvée : Wolfgang Rosenthal (8 September 1882 – 10 June 1971) was a German oral surgeon.[1]
Until the mid-1930s, he also pursued a parallel career as a bass-baritone singer