Friedrich Steinbacher
Friedrich Christian Steinbacher was a German mathematician, high-school teacher, natural scientist and ornithologist. He helped Ernst Hartert produce a comprehensive work on the palearctic bird fauna, Die Vögel der paläarktischen Fauna and continued to edit it after Hartert's death from 1933 to 1938. He was the father of Georg and uncle of Joachim Steinbacher who also became ornithologists.