He seeks out Professor Mannfeldt ( Klaus Pohl ) only to be ridiculed by his peers .
Professor Mannfeldt ( Klaus Pohl ) is a visionary who has written a treatise on the likelihood of finding gold on the moon .
He seeks out Professor Mannfeldt ( Klaus Pohl ) , a visionary who has written a treatise on the likelihood of finding gold on the moon , only to be ridiculed by his peers .