Soon after the wedding, though, the new husband had to join the services. Despite the war, a period of personal and professional success began for the artist. Even before his graduation, he was allowed to exhibit two pictures in the “Great German Art Exhibition” in the Haus der Kunst in Munich: “Clearing forest” and “Rest at noon”. The oil paintings have disappeared, but the following coloured sketches still exist.

Clearing, 1942,  Watercolour, 48x60

 Lunch break, 1942, Watercolour, 38x50

 
He exhibited further works in 1944: “Peasant Lovers” and “Felling Wood”, and “Collecting” and “After Easter” in December.

The following sketch probably dates from the same year and might be a draft for “Peasant Lovers:

 1944? Charcoal, 45x60

A picture showing Mizzl with a young niece in her arms dates from 1945:

  1942, Oils, 190x150

Very little of Lothar Sperl’s wartime work has survived in Germany. Most pictures have become inaccessible or were lost in the upheaval of the war and the expulsion of the German population after the war.