&quot;The idea is credited to a <i>Greek citizen</i>, Marcel Mitzakis, who devised the system for the de Thoren Syndicate in the 1930s; they were advised by J F C Fuller.&quot;<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Archimedes#Heat_ray" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Archimedes#Heat_ray</a><p>Putting his heritage to good use it seems :)