French naturalist and biologist (1744–1829) known as an early proponent of the concept of evolution and his mistaken theory of the inheritance of acquired characteristics. ADS in French, signed “J. B. de Lamarck,” one page, 6.5 x 8.5, October 1, 1790. Lamarck confirms the receipt of his salary of 450 livres. Light scattered soiling and expected document wear, otherwise fine condition. Pre-certified PSA/DNA.
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