The idea is not entirely made up.<p><a href="http://en.wikipedia.org/wiki/Horned_helmet" rel="nofollow">http://en.wikipedia.org/wiki/Horned_helmet</a><p>I wonder if Doepler was influenced by the discovery of the Waterloo Helmet 8 years before.<p><a href="http://en.wikipedia.org/wiki/Waterloo_Helmet" rel="nofollow">http://en.wikipedia.org/wiki/Waterloo_Helmet</a>