Ivan Mackerle, Czech cryptozoologist, explorer, and author (b. 1942)
Ivan Mackerle (March 1942 – 3 January 2013) was a Czech cryptozoologist, author, design engineer, and explorer. He organized expeditions to search for the Loch Ness monster of Scotland, the Tasmanian tiger in Australia, and the elephant bird in Madagascar. He was most notable for his search of the Mongolian death worm, and he conducted three trips to Mongolia in 1990, 1992, and 2004. He authored numerous books and publications and from 1998 until 2002 he was chief editor of the Czech paranormal magazine Fantastická fakta (Fantastic Facts).