Guillaume Joseph Hyacinthe Jean-Baptiste Le Gentil de la Galaisière (French pronunciation: [ɡijom lə ʒɑ̃ti], 12 September 1725 – 22 October 1792) was a French astronomer who discovered several nebulae and was appointed to the Royal Academy of Sciences. He made unsuccessful attempts to observe the 1761 and 1769 transits of Venus from India. Source: Wikipedia (en)