Uploaded March 2026 | Updated September 2026, 2 weeks ago
In 1933 a farmer named Ed Carlson walked into a laboratory at the University of Wisconsin and asked a simple question- what was killing his cattle? The answer to that question would earn the university millions of dollars, and revolutionize the fields of both medicine and vermin extermination. The strange story of warfarin deserves to be remembered.
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This is original content based on research by The History Guy. Images in the Public Domain are carefully selected and provide illustration. As very few images of the actual event are available in the Public Domain, images of similar objects and events are used for illustration.
Note: Just because you can think up a reason to criticize doesn't mean that you are obligated to do so. Pedantic is not a compliment folks.
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All events are portrayed in historical context and for educational purposes. No images or content are primarily intended to shock and disgust. Those who do not learn from history are doomed to repeat it. Non censuram.
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Please send suggestions for future episodes: Suggestions@TheHistoryGuy.net
The History Guy: History Deserves to Be Remembered is the place to find short snippets of forgotten history from five to fifteen minutes long. If you like history too, this is the channel for you.
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Script by THG
#history #thehistoryguy #sciencehistory
In 1933 a farmer named Ed Carlson walked into a laboratory at the University of Wisconsin and asked a simple question- what was killing his cattle? The answer to that question would earn the university millions of dollars, and revolutionize the fields of both medicine and vermin extermination. The strange story of warfarin deserves to be remembered.
Check out our new shop for fun The History Guy merchandise:
thehistoryguy-shop.fourthwall.com/products/thg-history
This is original content based on research by The History Guy. Images in the Public Domain are carefully selected and provide illustration. As very few images of the actual event are available in the Public Domain, images of similar objects and events are used for illustration.
Note: Just because you can think up a reason to criticize doesn't mean that you are obligated to do so. Pedantic is not a compliment folks.
You can purchase the bow tie worn in this episode at The Tie Bar:
thetiebar.com/?utm_campaign=BowtieLove&utm_medium=YouTube&utm_source=LanceGeiger
All events are portrayed in historical context and for educational purposes. No images or content are primarily intended to shock and disgust. Those who do not learn from history are doomed to repeat it. Non censuram.
Find The History Guy at:
Patreon: patreon.com/TheHistoryGuy
Facebook: facebook.com/TheHistoryGuyYT
Please send suggestions for future episodes: Suggestions@TheHistoryGuy.net
The History Guy: History Deserves to Be Remembered is the place to find short snippets of forgotten history from five to fifteen minutes long. If you like history too, this is the channel for you.
Subscribe for more forgotten history: youtube.com/channel/UC4sEmXUuWIFlxRIFBRV6VXQ?sub_confirmation=1.
Awesome The History Guy merchandise is available at:
thehistoryguy-shop.fourthwall.com/products/thg-history
Script by THG
#history #thehistoryguy #sciencehistory
