Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Camille Guillaume Bigourdan (April 6, 1851 – February 28, 1932) was a French astronomer. Bigourdan was born at Sistels, Tarn-et-Garonne. In 1877 he was appointed by Felix Tisserand as assistant astronomer at the Toulouse Observatory, and in 1879 followed Tisserand to the Paris Observatory when the latter became director there.

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