Adapted from an image (public domain), via Wikimedia Commons.
1820–1886
Alexandre-Émile Béguyer de Chancourtois
Wound the elements around a cylinder in 1862 so that similar ones lined up: the first periodic arrangement.
Their table
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Where the dates and stories on this page come from; each event on the timeline links to its own source.
- Alexandre-Émile Béguyer de ChancourtoisEncyclopaedia Britannica
- Alexandre-Émile Béguyer de ChancourtoisWikipedia