At the end of his service, he returned to work with his father, while taking evening classes to perfect his knowledge of drawing and painting.
It was with this camera and a Rolleiflex bought in the early 1930s that Roger Schall wandered the streets of Paris in search of picturesque scenes.
His report on the Jubilee of King George VI in London that same year was published in the English edition of Vogue.
Roger Schall took several photographs from the World Fair held in 1937, the balls and social events, horse races and car elegance contests.
For the first issue of Match Roger Schall travels to Morocco with Colette for a report on the wedding of the sons of Pacha El Glaoui.
He continued to work for Marie Claire and in 1943 visited his fashion designer clients for the presentation of the collections in Lyon.
In 1944, the first publication of the book A Paris sous la botte des Nazis, testimony in images of the four years of Occupation.
This book, prefaced by General de Gaulle, was edited by Raymond Schall with photographs by Roger Schall, Robert Doisneau, Roger Parry, Jean Séeberger, André Papillon, Pierre Jahan, Maurice Jarnoux, and texts by Jean Eparvier.
After the war, Roger Schall developed an advertising activity: launching perfumes for Guerlain, Nina Ricci, Marcel Rochas.