Gilles-François de Gottignies
Gilles-François de Gottignies (10 March 1630 – 6 April 1689) was a Belgian Jesuit mathematician and astronomer. Life. De Gottignies was born in 1630 in Brussels, but became a very active member of the scientific community in Rome, where he became professor of mathematics at the Roman College. He opposed Jean-Dominique Cassini's theory and his works were translated in French by Georges-Louis Leclerc de Buffon. He died in Rome, aged 59, in 1689.