New Issue: Science’s Impossible Questions. Read Now

Human Fat Candles and Soap

Join Our Community of Science Lovers!


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


When the cemetery of the Innocents at Paris was removed to the outside of the barriers, the buried corpses which had accumulated to the depth of 60 feet, were found, to a great" extent, apparently converted into fat. The substance of the skin, cellular tissue, and tendons, all the sott parts, and even the bones had completely disappeared, leaving only the fat. which, resisting longest the influence ot decay (oxygen), remained in the form of margaric acid. This human fat was employed to the extent of many tons by the soap boilers and tallow chandlers of Paris for the manufacture ot soap and candles. The French are a people of fine sentiment, and they certainly carried the quality to a charming point of reflection in receiving light from candles made out of the bodies of their fathers. We loathe the cannibal, but civilization has features which, if not rendered familiar, would be as repulsive as the practices of the savage

Scientific American Magazine Vol 8 Issue 7This article was published with the title “Human Fat Candles and Soap” in Scientific American Magazine Vol. 8 No. 7 (), p. 56
doi:10.1038/scientificamerican10301852-56a

Subscribe to Support Independent Journalism

Great science journalism requires human expertise, time, effort and creativity. And it costs money. That’s why I and the journalists here at Scientific American hope you’ll join our community.

When you subscribe, you are supporting staff and freelance journalists who are passionate about telling science stories that are true, important and compelling. Our editors and reporters are often experts in their fields, which means they understand the nuances of big discoveries and can untangle the breakthroughs from the hype. With a subscription, you are also supporting rigorous fact-checking to ensure the words we publish are precise and accurate. And you’re supporting original illustrations, graphics and photos that bring you closer to an advanced laboratory, an ice sheet in Antarctica or a space mission in orbit. You’re helping us craft other types of high-quality journalism as well: Our newsletters are carefully written, edited and curated by staffers you have or will come to know and love. Our Science Quickly podcast is based on original reporting, collaboration with editors and scientists and exacting production.

Subscriptions keep this engine running so we can continue to deliver thoughtful, rigorous and independent science journalism to you. In an era of viral misinformation, this work is crucial. If you value what we do, I hope you’ll consider joining us as a subscriber

Thank you,

Jeanna Bryner, Editor in Chief, Scientific American

Subscribe