Méheut was born in Lamballe (Côtes d'Armor) in 1882. His early career was spent as an illustrator, first for the magazine Art et Décoration, and then for the marine research establishment at Roscoff, illustrating marine flora and fauna. In 1913, he won a travelling scholarship from the Albert Kahn Foundation, to paint in Japan. The trip was interrupted by the outbreak of war.
Edouard Detaille or Alphonse de Neuville, rather it concentrated on intimate scenes of soldiers and daily life in the trenches. He wrote as many as five letters a day to his wife throughout the war, all full of marginal sketches and illustrations, in addition to more formal studies. 'I have to justify myself as an artist as much as a soldier', he wrote. For him, art was 'the best way I can show friendship and admiration for my brave men', and he would be so happy 'if these poor scraps, which I've drawn as and when I could, could survive.'