Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Benjamin Jekhowsky (born 1881 in Saint-Petersburg (Russia), died in 1975, Encausse-les-Thermes (France)) was a Russian-French astronomer, born in Saint-Petersburg in a noble family of a Russian railroad official. After attending Moscow University, he worked at the Paris Observatory beginning in 1912. Later he worked at the Algiers Observatory (at the time, Algeria was a colony of France), where he became known as a specialist in celestial mechanics.

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