In October 1835 at the age of 17, Marx travelled to the University of Bonn wishing to study philosophy and literature, but his father insisted on law as a more practical field.
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After graduation in September 1864, Friedrich Nietzsche commenced studies in theology and classical philology at the University of Bonn with hope of becoming a minister.
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Justus von Leibig attended the University of Bonn, studying under Karl Wilhelm Gottlob Kastner, his father's business associate.
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