Ivan T. Sanderson
Biologist and writerWikipedia
14
MENTIONS
14
EPISODES
14
PODCASTS
Search complete. 14 mentions across 14 episodes found for "Ivan T. Sanderson".
Sep 22, 2026
Amanda JoyHOST
Victor said that he found a cave linked to Sasquatch while picking salmon berries in the mountains near Yale, British Columbia.
Amanda JoyHOST
Ivan T. Sanderson added another account in his 1961 book Abominable Snowmen, Legend Come to Life.
Amanda JoyHOST
He cited Charles Flood, who said that he ran into an eight-foot-tall figure in a huckleberry patch in the North Cascades in 1915.
Amanda JoyHOST
Flood signed a statutory declaration describing the creature as standing upright, covered in light brown fur, and using one hand to pull the berry bushes towards itself while eating with the other hand.
UranGUEST
I wanna say it was like Lindt the chocolate, but it was with a K, like K-I-N-D-T.
UranGUEST
But anyway, in 1962, he sent supposedly enlargements and an original of that photograph to my personal hero, Mr. Ivan T. Sanderson.
UranGUEST
And that's what I know was Sanderson's take on it.
UranGUEST
Now, Sanderson's take is that it was probably a remnant species, because that area is not really, or was not really well traveled at the time, or well explored.
Jennifer WilliamsHOST
with the only slight similarity being the arms.
Jennifer WilliamsHOST
Cryptozoologists, including Bernard Huvelmans, Ivan T. Sanderson, and Loren Coleman, have traditionally regarded the Mapinguari as a two-legged primate similar to an ape.
Jennifer WilliamsHOST
Like other South American cryptids, including the Curipuri, or the Didi of Guyana which is sometimes considered to be the same animal.
Jennifer WilliamsHOST
Though this theory is no longer as popular as it was, it is defended by cryptozoologists including Coleman who notes that certain sightings cannot refer to ground sloths.
Todd GatewoodGUEST
All these things, ecology movement.
Todd GatewoodGUEST
And when Ivan Sanderson, who had Argosy magazine and highly respected biologists and well-known celeb person and type, the Attenberry of his day, he...
Todd GatewoodGUEST
When he took the film to the Honorable Stuart Udall, who was the Secretary of the Interior for the United States, no less, Udall saw it and said, the ecological aspects are so severe, we won't address this at this time.
Todd GatewoodGUEST
And the official silence was, That was thrown up right then and there.
Ben TuckerNARRATOR
So does one of our most material-minded, hardest-headed electronic engineer associates in Los Angeles." Indeed, while the fuss and bother over a strange marked-up book that even Jessup himself thought was quote-unquote crackpot— It is not so much the contents of the notations, but the importance that evidently was attached to them.
Ben TuckerNARRATOR
I had heard about the matter, but figured there was very little to it, until I happened to run into Ivan Sanderson, noted naturalist and UFO expert in New York.
Ben TuckerNARRATOR
I knew that Ivan had been a close friend of Jessop, and felt that, by talking to him on this subject, I might get some clue as to the reason for the suicide, if indeed it had been that.
Ben TuckerNARRATOR
I found that Ivan would not discuss this particular matter, but that he was willing to give me a great deal of information about the Vero edition.
Kayla MooreHOST
The name is not of native origin.
Kayla MooreHOST
It was actually coined by a biologist, Ivan T. Sanderson, in 1974.
Kayla MooreHOST
He had gathered plenty of stories of men encountering this beast, from the Nahanni all the way to northern Ontario.
Kayla MooreHOST
And in May of 2018, a Montana rancher claimed that he actually shot and killed a similar creature on his property.
Ben TuckerNARRATOR
Indeed, why all the fuss and bother over a strange marked-up book that even Jessup himself thought was, quote-unquote, crackpot? It is not so much the contents of the notations but the importance that evidently was attached to them.
Ben TuckerNARRATOR
I had heard about the matter but figured there was very little to it until I happened to run into Ivan Sanderson, noted naturalist and UFO expert in New York.
Ben TuckerNARRATOR
I knew that Ivan had been a close friend of Jessup and felt that by talking to him on this subject I might get some clue as to the reason for the suicide, if indeed it had been that.
Ben TuckerNARRATOR
I found that Ivan would not discuss this particular matter but that he was willing to give me a great deal of information about the Vero edition.
AJ GentileHOST
Which brings us to the map.
AJ GentileHOST
Now, Ivan Sanderson published his 12 graveyards in 1972 in a men's adventure magazine.
AJ GentileHOST
This was two years after the missile and right when the zone builders were looking for a theory.
AJ GentileHOST
The people writing the zone story didn't discover that the zone sits in line with the Bermuda Triangle.
Jesse MichelsSOUNDBITE_SPEAKER
I wanted to take a step back and talk about almost the intellectual firmament for even thinking that there might be non-human intelligence in our waters.
Jesse MichelsSOUNDBITE_SPEAKER
And there are some great books, you know, Ivan Sanderson, Invisible Residence.
Jesse MichelsSOUNDBITE_SPEAKER
My wife hates bats.
Jesse MichelsSOUNDBITE_SPEAKER
She's afraid they're going to get in her hair.
Tim SwartzGUEST
There's more.
Tim SwartzGUEST
I got this bright idea from an old researcher by the name of Ivan T. Sanderson.
Tim SwartzGUEST
I'm sure you've heard of him before.
Jimmy ChurchHOST
He's great.
4 more episodes mention Ivan T. Sanderson.
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