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The ‘Giants’.

At a time when Bigfoot research was in its infancy, these four men paved the way for a whole new generation of researchers. They applied a combination of skepticism, enthusiasm and scientific vigor in the hunt for these creatures. Known as the ‘four horsemen of Sasquatchery’, we shall be forever grateful to them.

Please click on a Photograph for more information...

John Green Krantz
Prof. Grover Krantz
Peter Byrne
John Green
René Dhahinden


One must not forget the contribution made by the following individuals in changing the face and direction of modern Cryptozoololgy.

Loren Coleman

Loren Coleman is one of the world's leading and most respected crypto zoologists. He has written several books and more than a hundred articles on all aspects of cryptozoology and has appeared frequently on radio and television programs, and has lectured around the world.

HIs books include The Unidentified (with Jerome Clark; Warner, 1975), Creatures of the Outer Edge (with Jerome Clark; Warner, 1978), Mysterious America (Faber & Faber, 1983), Curious Encounters (Faber & Faber, 1985), and Tom Slick and the Search for the Yeti (Faber & Faber, 1989).

Bernard Heuvelmans (Oct 10th 1916 - Aug 22nd 2001)

This Belgian zoologist is the so-called "Father of Cryptozoology". He coined that name, which is the study for new, strange and unknown animals in the world today. He has written several books on the subject, but only two have been translated from French into English; In the Wake of the Sea Serpents and On the Track of Unknown Animals considered by some to be the most influential work of cryptozoology in the 20th Century.

He is a meticulous researcher, and is very knowledgebal in the field of zoology, which is a prerequisite field for cryptozoology. He escaped capture by the Nazi's several times during the Second World War. He was the President of the International Society of Cryptozoology.

Ivan Sanderson (Jan30th 1911 - Feb 19th 1973)

A well-known author and zoologist, Sanderson has authored several books on cryptozoology, including Abominable Snowmen-Legend come to life, as well as several general science books like Great Jungles, Animal treasure and Living Mammals of the World. He died in 1973. His contributions to cryptozoology are second only to Bernard Heuvelmans.

Richard Greenwell (1942- Nov 1st 2005)

Greenwell was the working secretary for the International Society of Cryptozoology, and had led an expedition to China to look for evidence of the mysterious "man-ape" that alledgedly lives there, the Wildman. He has also investigated the Onza of Mexico, a legendary puma-like mystery feline, that was recently uncovered to science. Greenwell also went on the Mackal expedition to the Congo(Africa) in search of Mokele-Mbembe, an alledged living dinosaur.

Greenwell, until his death, continued in the search for cryptids He wrote a column for BBc Wildlife Magazine for several years. He also appeared as a paid consultant on various documentaries covering the subject of cryptozoology. He lectured at many universities and museums, discussing his experiences. Greenwell participated on his last expedition in August 2005 searching for scientific proof of Bigfoot in the North Californian wilderness, even though he was in the last stages of Cancer. He died on the evening of November 1, 2005 in Tucson, Arizona.