Bogdanoff Twins

Igor Yourievitch Bogdanoff and Grégoire “Grichka” Yourievitch Bogdanoff were French twin brother television presenters, producers, and scientific essayists who, from the 1970s on, presented various subjects in science fiction, popular science, and cosmology.

https://en.wikipedia.org/wiki/Igor_and_Grichka_Bogdanoff