BILLARD, Roger. Puteaux (Paris) 29.12.1922 — Mennecy near Paris 30.12.2000. French Indologist. He was of modest origin and had to work after school, but the post in Oriental bookshop Adrien Maisonneuve led him to studies and he soon entered É.L.O.V. Studied Sanskrit, Hindi, Khmer, Arabic and Chinese. In 1945-51 worked in the manuscript deparment of Bibliothèque nationale, in 1952-79 in É.F.E.O., first in Phnom Penh, then 1955-60 in Paris, 1960-66 in Pondichéry and 1966-79 in Paris. He was a good Sanskrit scholar and specialist of Indian astronomy, who published very little.
Publications: Five articles on Indian astronomy in the 1956-86, e.g. “Perspectives nouvelles sur l’astronomie indienne”, Art. As. 19, 1956, 186-196, 2 fig.; “Âryabhata and Indian Astronomy: an outline of an unexpected insight”, Indian Journal of History of Science 12, 1977, 207-224; “Investigation du présent karaṇaratna”, BEFEO 75, 1986, 21-35.
– L’astronomie indienne. Investigations des textes sanskrits et des données numériques. 175 p. 52 fig. PEFEO 83. P. 1971.
Sources: Chercheurs d’Asie 38f.; Cl. Jacques, BEFEO 88, 2001, 17-19 with photo and bibliography.