C. V. L. (Carl Vilhelm Ludwig) Charlier

Best known as C. V. L. Charlier, Carl Vilhelm Ludwig Charlier was born in Östersund, Sweden, in 1862 and spent most of his career in Swedish astronomy. He studied at Uppsala University, later worked at Stockholm Observatory, and went on to the University of Lund, where he served for many years as professor of astronomy and director of the observatory.

Charlier became especially important for his statistical studies of stars—their positions, motions, and distribution through space. He explored how star systems are arranged on a grand scale and is remembered for ideas about a hierarchical universe, as well as for mathematical work that gave rise to names still familiar today, including Charlier polynomials and the Gram–Charlier series.

His achievements were widely recognized during his lifetime, including the James Craig Watson Medal and the Bruce Gold Medal. He died in 1934, but his legacy lives on in the history of astronomy and statistics, where he is remembered as one of the figures who helped connect careful observation with mathematical insight.