In 1934 Marcel L'Herbier held discussions with Charles Boyer on making a film about the actor Edmund Kean, but Boyer, whose career was at that time shifting between France and Hollywood, insisted that he wanted to film Bernstein's play Le Bonheur in which he had recently starred on stage in Paris. The rights to the play were held by the Pathé-Natan company, who also had a contract with Gaby Morlay, the preferred actress of both Boyer and L'Herbier for the other leading role.
Towards the end of filming, L'Herbier suffered an accident when a camera fell on him from an insecure track. He suffered a broken wrist and permanent damage to one eye. He undertook a prolonged legal action against the Pathé company in which the director argued for his status as an 'author' of the film rather than just a technician employed by the company. He eventually won the case, and it marked the first time that a film director in France was legally recognised as having rights of authorship in his work.
On its release Le Bonheur proved very popular with the public and was mostly well received by the French critics. However, after three years of distribution the film largely disappeared from sight for nearly 40 years. It was only in the 1970s that it was revived and recognised as one of the most significant achievements among L'Herbier's sound films.
In February 1935, the film was shown at the first Moscow Film Festival (albeit too late for the main competition) and it received a special "mention of honour" from the Soviet jury.
Source : Wikipedia