Mendel presented his ideas in 1866 in a scientific paper published by the Brunn Society for Natural History.

年，孟德尔在自然史上发表了他的科学论文，陈诉了他的观点。

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Federal authorities said the gunman was an 88-year-old Maryland man, James von Brunn, who has a history of making white supremacist and anti-Semitic statements, notably on his Web site.

联邦调查部门说，这名持枪者名叫冯布伦(James von Brunn)，来自美国马里兰州，今年88岁。 他有宣扬白人至上主义和反犹主义的历史，特别是在他的网站上。

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She said she and von Brunn had been divorced for more than 30 years.

CNN: Obama urges vigilance against prejudice in shooting's wake

Von Brunn was apparently well-known among his neighbors and associates for his deep hostility to Jews and blacks.

NPR: The Tipping Point: When Hate Turns To Violence

But von Brunn is certainly not the only person in this country who harbors such views, but most don't act on them.

NPR: The Tipping Point: When Hate Turns To Violence