Kammala jumla mai zuwa: Bayan mutuwar Thommen, dole ne ya tallafa wa kansa da wasu ayyuka yayin ƙoƙarin sayar da zane-zanensa, har zuwa farkon Yaƙin Franco-Prussian, lokacin da mai wallafa, Eduard Hallberger, na Stuttgart, ya ɗauke shi aiki don yin zane-zane na al'amuran daga yakin don mujallar "Über Land und Meer". Wannan aikin ya kai shi asibitin soja a Karlsruhe, Strasbourg a lokacin bombardment, da
Siege na Belfort da Les Verrières don shigar da Armée de l'Est. Wannan ya ba shi damar fara karatu a Cibiyar Nazarin Fine Arts ta Stuttgart, yayin da yake ci gaba da aiki ga Hallberger. Ya kuma yi tafiya zuwa Vienna, don yin kwafin Tsoffin Masters, kuma ya ƙirƙiri zane-zane na ilimin lissafi a asibitin birni don wallafe-wallafen Dokta Salomon Stricker.