Rubuta ci gaba don wannan sakin layi - 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 hayar da shi 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 harin, 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.