Ivan Marx: Ivan Marx. Cinematographer: Krisi and the Legend of Mt. Shasta. Ivan Marx was an animal tracker, woodsman, hunting guide, explorer, adventurer, accomplished nature photographer, and dedicated Bigfoot hunter. Ivan first began his Bigfoot research in the 50s. He was involved in the Bossburg, Washington Cripple Foot track finds in November, 1969 and claimed to have shot actual footage of a crippled Sasquatch in October, 1970. Marx briefly worked for three...