Prof. Dr. med. Dr. rer. nat. Friedrich Schwarzfischer (1921 to 2004) was a key figure in modern forensic anthropology and human genetics in Germany. His work revolutionized the scientific practice of identity determination and attracted international recognition. In particular, his 1992 classifications concerning the probability of identity have become a standard reference in forensic science. This report highlights the importance of his predicate classes and provides an extensive overview of his life and scientific achievements.