Adapted from an image by Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012 (public domain), via Wikimedia Commons.
1912–2002
Kenneth Ross MacKenzie
Discovered astatine in 1940.
Element
85AtAstatine
1940
In 1940 Dale Corson, Kenneth Ross MacKenzie and Emilio Segrè, at the University of California, made element 85 by firing alpha particles at bismuth. They named it astatine, from the Greek for unstable.
Keep exploring
Where the dates and stories on this page come from; each event on the timeline links to its own source. The memorial gives the year only.
- In Memoriam, Kenneth Ross MacKenzieUniversity of California
- AstatineRoyal Society of Chemistry
- Kenneth Ross MacKenzieWikipedia