Naphthali ben Levi (Henri) van Praag (September 12, 1916 in Amsterdam – November 3, 1988 in Hilversum) was a Jewish-Dutch educator, philosopher and theologian (or religious historian) who also became known as a (ortho) educational therapist and writer and as a publicist at the psychological and parapsychological field. The last field he was in 1978, succeeding Prof. WHC Tenhaeff, Professor behalf of the Students for Psychical Research (SPR). He described the scope of this assignment as anthropological parapsychology, in contrast with the experimental parapsychology, by his fellow professor, the Swede Martin Johnson, at the same University of Utrecht was taught.