42 INTRODUCTORY
Einstein's essay written in Aarau, for which he received the grade 3 to 4 (out of 6).
Courtesy Staatsarchiv Kanton Aargau.
kiana
(Kiana)
#1
42 INTRODUCTORY
Einstein's essay written in Aarau, for which he received the grade 3 to 4 (out of 6).
Courtesy Staatsarchiv Kanton Aargau.