Andrei Dmitriyevich Linde is a Russian-American theoretical physicist and the Harald Trap Friis Professor of Physics at Stanford University. Wikipedia 34:30 of this video https://www.youtube.com/watch?v=pLbSlC0Pucw "concious observer ... belief in an independently existant material world." https://www.youtube.com/watch?v=tHy9zWTOZNw