|1912 his first picture collection "Alt-Straßburg" appears
1913 Certificate to work as doctor of medicine
1914-18 Serves as assistant doctor on the front in the First World War
1919 Forbidden to practise as doctor in the now French-controlled Alsace
1926 Moves to Frankfurt a. Main. After working as a laboratory apprentice at a
company, photography becomes his passion. Town picture photo
1923 "Die Vogesen",
1924, amongst others, published
1927 The young photographer Alfred Tritschler becomes his colleague and later partner of the Dr. Paul Wolff & Tritschler photo studio
1930-1939 Wolff takes an interest in the still young technique of 35 mm. photography. The Leica becomes his trademark, experiments with photographic paper and developers
||1940 Tries out the new colour film by Agfa - the result: colour industry photography "Im Kraftfeld von Rüsselheim"
1942-1944 His book "Meine Erfahrungen .. farbig" is published. His house in Frankfurt is damaged by bombs, the colour photo archive and thousands of press prints are destroyed.