episode 13, he interviewed Australian submersible pilot Tim Macdonald of Caladan Oceanic at a depth of over 10,000 metres in the Philippine Trench from inside the DSV Limiting Factor. References External links Year of birth missing (living people) Living people Scottish ichthyologists Alumni of Gray's School of Art Academics of the University of Aberdeen Fellows of the Royal Geographical Society Academics of Newcastle University People from Largs Alumni of Robert Gordon University