The Minoans beat them to it:<p><a href="https://www.nature.com/articles/533456a" rel="nofollow">https://www.nature.com/articles/533456a</a><p><a href="https://daily.jstor.org/the-early-history-of-human-excreta/" rel="nofollow">https://daily.jstor.org/the-early-history-of-human-excreta/</a>