Lev Markovich Vekker, Russian: ÃÂõò ÃÂðÃÂúþòøàÃÂõúúõà(4 October 1918, Odessa â 1 October 2001, Virginia, United States) was a Russian and American psychologist.
Vekker was a George Mason University professor of psychology and director/CEO of the Krasnow Institute. His research focused on the problems of objectivity of human cognition. Vekker advanced a general theory of cognitive processes.