The Clairvoyant is a melodrama about Sebastian Trux, a country boy who is trying to find success in the big city. He also happens to be something of a clairvoyant.
Nowadays this story would probably be told as a TV movie on basic cable. And it appears that there was a British melodrama in the 1930s loosely based on the novel.
While there isn't much depth to the story or characters, and the plot is somewhat predictable, I found it made for good bedtime reading.
Lothar belonged to an intellectual circle in Vienna which congregated at Stefan Zweig's apartment, and included such legends as Zweig, Robert Musil, Hermann Broch, and Josef Roth. He appears to be one of those forgotten novelists who was quite well known in his time. Recently there was even a re-issue of his novel Vienna Melody by Europa Editions.
Although The Clairvoyant is not quite in the same league as most stories by his above-mentioned contemporaries, it still has that familiar essence/feeling that those inter-war novels all seem to share, and I'd recommend reading this or one of Lothar's other forgotten novels.