Period

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Robert Boyle.
PHD26A12_380

Robert Boyle.

Hans Christian Oersted.
PHD26A12_341

Hans Christian Oersted.

Karl Marx.
PHD26A12_293

Karl Marx.

Daniel Bernoulli.
PHD26A12_216

Daniel Bernoulli.

Charles Darwin
PHD26A05_208

Charles Darwin

Johann Wolfgang von Goethe.
PHD26A08_108

Johann Wolfgang von Goethe.

Demokritos
PHD26A10_022

Demokritos