[3] In 1807 he obtained the first prize, and in 1812 he exhibited his picture of "The Arrival of Jacob in Mesapotomia" (Bordeaux Musée des Beaux-Arts)[4] in the Salon, where it won for him a gold medal of the first class.
His decorations of the Conference room of the Chamber of Deputies were completed in 1844; and in 1847 his works at the Salon "Champ de Mai" and "Reading a Play at the Théâtre Français" were the signal for violent criticisms.
Yet something like a turn of opinion in his favour took place at the exhibition of 1851; his powers as draughtsman and the occasional merits of his composition were recognized, and toleration extended even to his colour.
Heim was awarded the great gold medal, and in 1855—having sent to the Salon no less than sixteen portraits, amongst which may be cited those of Cuvier, Geoffroy de St Hilaire, and Madame Hersent he was made officer of the legion of honour.
Besides the paintings already mentioned, there is to be seen in Nôtre Dame de Lorette (Paris) a work executed on the spot; and the museum of Strassburg contains an excellent example of his easel pictures, the subject of which is a Shepherd Drinking from a Spring.