Lee Frank has been on three expeditions in search of the Loch Ness monster. He worked for the Loch Ness Investigation Bureau, which maintained surface observation posts along Loch Ness, and later, he was field monitor and chief diver with the MIT-based Academy of Applied Science. This is the team which obtained the famous flipper photo in 1972 and underwater photo of the head and torso. Lee Frank has also investigated Bigfoot sightings in British Columbia, New Jersey, and Tennessee. Through the help of Betty Hill, he has also explored the Bigfoot/UFO connection.