His artistic talent was acknowledged by critics of that time, André Salmon and Adolf Basler, and his works were displayed in the Salon of Autumn, Independents, Société Nationale des Beaux Artes, and the Tuileries.

In 1926, he returned to Paris where he exhibited at the Galerie aux Quatre Chemins (1927), d'Art de Montparnasse (1928), Bonaparte (1930), and Zak (1934).

Gottlieb's paintings often depict biblical themes with range of brown, green, and pink pearl tones that intensify with linear rhythm.

The content of his painting display a rich language of icons and symbols which are drawn from Christian iconography.

Gottlieb also painted many portraits of famous people, including Diego Rivera and Helena Rubinstein.