In 1924 he went to Italy for 9 months where he produced many paintings. In October of 1924 he had his first one-man exhibition at the Galerie Druet in Paris. The next year he showed in the Salon des Tuileries, the Salon d’Automne and the Salon National des Beaux Arts. He had a solo Paris exhibition at Galerie Charpentier in 1934. He exhibited at Galerie Drouant with Jean Marembert, Van Montford, De Botton, and Levavasseur. In his time in Paris his career soared. His paintings were positively received by the critics and sold well. During this time he also exhibited in London and New York.
He painted Paris street scenes full of people, sensual nudes and Parisian nightlife. He became friends with world-renowned violinist Jascha Heifetz, Heifetz was also a major collector of Gluckmann’s work. Gluckmann preferred the company of musicians and intellectuals rather than other artists.