克龙彭伯格先生编制了一个帮助塑造奥巴马思考和写作的人名清单，里面包括马克斯.韦伯和尼采，梭罗和爱默生，兰斯顿.休斯和拉尔夫.埃利森。

Mr. Kloppenberg compiled a long list of people who he said helped shape Mr. Obama’s thinking and writing, including Weber and Nietzsche, Thoreau and Emerson, Langston Hughes and Ralph Ellison.

youdao