Jacques de Billy
- For the English patristic scholar and Benedictine abbot, see Jacques de Billy (abbot) (1535–1581).
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Jacques de Billy (March 18, 1602 – January 14, 1679) was a
.The mathematician
Work and legacy
Billy produced a number of results in
In the field of astronomy, he published several astronomical tables. First published in Dijon by Pierre Palliot in 1656, Billy's tables of eclipses is called Tabulae Lodoicaeae seu universa eclipseon doctrina tabulis, praeceptis ac demonstrationibus explicata. Adiectus est calculus, aliquot eclipseon solis & lunae, quae proxime per totam Europam videbuntur. The tables were calculated for the years 1656 to 1693. This work also contains solar and lunar tables based on the Paris meridian. It also includes a detailed examination of problems involved in astronomical calculations.
Billy was one of the first scientists to reject the role of astrology in science. He also rejected old notions about the malevolent influence of comets.
He died at Dijon.
The crater Billy on the Moon is named after him.
-
Diophantus redivivus, 1670
See also
- List of Jesuit scientists
- List of Roman Catholic scientist-clerics
References
- O'Connor, John J.; Robertson, Edmund F., "Jacques de Billy", MacTutor History of Mathematics Archive, University of St Andrews
- Moon Watch
- Polybiblio
Further reading
- Itard, Jean (1970–1980). "Billy, Jacques de". ISBN 978-0-684-10114-9.