We collected trace amounts of cellular material (Touch DNA) from books that belonged to the philosopher Friedrich Nietzsche (1844–1900). DNA was extracted and amplified using DOP-PCR technique. Five different genomic DNAs were generated. Nietzsche’s genotype was singled out after comparison to genotype data from one living relative of the Nietzsche family.

DNA-based prediction of Nietzsche’s voice — The New Inquiry

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