This author has not been identified. Look up 'Christoph Niemann' in GoogleThis author has not been identified. Look up 'Munawar Ali' in GoogleThis author has not been identified. Look up 'Obaid Ullah Shah' in GoogleThis author has not been identified. Look up 'Jakob Heller' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Dirk Timmermann' in Google