At the time, they were the lunatic fringe of the art world.

在当时，他们是艺术世界的边缘人物。

Two other words that describe people who are part of the lunatic fringe are fanatics and zealots.

另外两个形容这些极端分子团体成员的词是" fanatics（狂热信徒）" 和" zealots（狂热分子）" 。

Whereas anti-Jewish sentiments were widespread among the educated classes of Europe throughout the nineteenth century, antisemitism as an ideology remained, with very few exceptions, the prerogative of crackpots in general and the lunatic fringe in particular.

当十九世纪全欧洲受过教育的阶级中普遍流行反犹太情绪时，除了很少的例外，反犹主义作为一种意识形态，在总体上一直是疯狂者的特权，而具体上则处于疯狂边缘。