 Igor and Grichka Bogdanoff

Igor Yourievitch Bogdanoff and Grichka Yourievitch Bogdanoff (or Bogdanov; born 29 August 1949) are French twin brothers who are television presenters, producers and scientific essayists who, since the 1970s, have presented various subjects in science fiction, popular science and cosmology.They were involved in a number of controversies, most notably the Bogdanov affair, in which it was alleged the brothers wrote nonsensical advanced physics papers that were nonetheless published in reputable scientific journals.