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Entre mayo y agosto de 1876, un entonces anciano Charles Darwin escribió casi todas las tardes, durante una hora, su autobiografía. El naturalista británico comienza a relatar sus vivencias impulsado por la petición de un editor alemán, pero, sobre todo, para entretenerse, esperando, además, que dicho testimonio pudiera interesarle a sus hijos y nietos. Desde las primeras líneas advierte: "He intentado escribir la siguiente narración sobre mí como si yo fuese un difunto, quien desde otro mundo contempla su propia vida. No me ha parecido complicado, pues me queda muy poca vida. Al escribir, no me he esforzado para nada en mi estilo". "Un observador persistente" es un ameno relato autobiográfico, en el que Darwin se mueve entre su quehacer científico y su vida personal para entregarnos un sincero testimonio sobre los circuitos de su carácter, su forma de comprender la vida a lo largo de los más significativos momentos de su existencia, narrados con soltura e ironía. Un ejercicio de memoria en el que afloran las contradicciones entre fe y ciencia que lo atormentaron, sus vínculos familiares y sus reflexiones más íntimas sobre diversos temas. Un retrato de sí mismo y de su época que nos permite comprender e inmiscuirnos en la mente de un personaje fundamental en la evolución del pensamiento y su influencia en la sociedad contemporánea.
CHARLES DARWIN
El naturalista inglés Charles Darwin estudió medicina en la Universidad de Edimburgo y biología en la Universidad de Cambridge. De 1831 a 1836 realizó un viaje por América del Sur y las islas del Pacífico a bordo del Beagle. Sus descubrimientos zoológicos y geológicos a partir de esta exploración constituyeron la base de sus teorías de la evolución. Además de El origen de las especies (1859), escribió otras muchas obras de gran relevancia, como Variación de las plantas ylos animales en estado doméstico (1868) y El origen del hombre y de la selección en relación al sexo (1871).
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